diff --git a/semana15/Express/.gitignore b/semana15/Express/.gitignore
new file mode 100644
index 0000000..a049075
--- /dev/null
+++ b/semana15/Express/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+package-lock.json
+build
\ No newline at end of file
diff --git a/semana15/Express/package.json b/semana15/Express/package.json
new file mode 100644
index 0000000..7f71dd6
--- /dev/null
+++ b/semana15/Express/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "Express",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "dev": "ts-node-dev ./src/index.ts",
+    "start": "tsc && node ./build/index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/cors": "^2.8.10",
+    "@types/express": "^4.17.11",
+    "concurrently": "^6.0.0",
+    "nodemon": "^2.0.7",
+    "ts-node-dev": "^1.1.6",
+    "typescript": "^4.2.3"
+  },
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^4.17.1",
+    "ts-node": "^9.1.1"
+  }
+}
diff --git a/semana15/Express/src/countries.ts b/semana15/Express/src/countries.ts
new file mode 100644
index 0000000..3c42d8a
--- /dev/null
+++ b/semana15/Express/src/countries.ts
@@ -0,0 +1,1199 @@
+export enum CONTINENTS {
+    AFRICA = "África",
+    AMERICA = "América",
+    ASIA = "Ásia",
+    EUROPE = "Europa",
+    OCEANIA = "Oceania"
+ }
+ 
+ export type country = {
+    id: number,
+    name: string,
+    capital: string,
+    continent: CONTINENTS
+ }
+ 
+ export const countries: country[] = [
+    {
+       "id": 0,
+       "name": "África do Sul",
+       "capital": "Pretória",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 1,
+       "name": "Angola",
+       "capital": "Luanda",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 2,
+       "name": "Argélia",
+       "capital": "Argel",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 3,
+       "name": "Benim",
+       "capital": "Porto Novo",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 4,
+       "name": "Botsuana",
+       "capital": "Gaborone",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 5,
+       "name": "Burquina Faso",
+       "capital": "Uagadugu",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 6,
+       "name": "Burúndi",
+       "capital": "Bujumbura",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 7,
+       "name": "Cabo Verde",
+       "capital": "Praia",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 8,
+       "name": "Camarões",
+       "capital": "Iaundé",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 9,
+       "name": "Chade",
+       "capital": "Jamena",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 10,
+       "name": "Comores",
+       "capital": "Moroni",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 11,
+       "name": "Congo-Brazzaville",
+       "capital": "Brazavile",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 12,
+       "name": "Costa do Marfim",
+       "capital": "Iamussucro",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 13,
+       "name": "Egito",
+       "capital": "Cairo",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 14,
+       "name": "Eritreia",
+       "capital": "Asmara",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 15,
+       "name": "Etiópia",
+       "capital": "Adis Abeba",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 16,
+       "name": "Gabão",
+       "capital": "Libreville",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 17,
+       "name": "Gâmbia",
+       "capital": "Banjul",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 18,
+       "name": "Gana",
+       "capital": "Acra",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 19,
+       "name": "Guiné",
+       "capital": "Conacri",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 20,
+       "name": "Guiné Equatorial",
+       "capital": "Malabo",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 21,
+       "name": "Guiné-Bissau",
+       "capital": "Bissau",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 22,
+       "name": "Jibuti",
+       "capital": "Jibuti",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 23,
+       "name": "Lesoto",
+       "capital": "Maseru",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 24,
+       "name": "Libéria",
+       "capital": "Monróvia",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 25,
+       "name": "Líbia",
+       "capital": "Trípoli",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 26,
+       "name": "Madagáscar",
+       "capital": "Antananarivo",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 27,
+       "name": "Maláui",
+       "capital": "Lilôngue",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 28,
+       "name": "Mali",
+       "capital": "Bamaco",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 29,
+       "name": "Marrocos",
+       "capital": "Rebate",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 30,
+       "name": "Maurícia",
+       "capital": "Porto Luís",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 31,
+       "name": "Mauritânia",
+       "capital": "Nuaquechote",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 32,
+       "name": "Moçambique",
+       "capital": "Maputo",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 33,
+       "name": "Namíbia",
+       "capital": "Vinduque",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 34,
+       "name": "Níger",
+       "capital": "Niamei",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 35,
+       "name": "Nigéria",
+       "capital": "Abuja",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 36,
+       "name": "Quénia",
+       "capital": "Nairóbi",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 37,
+       "name": "República Centro-Africana",
+       "capital": "Bangui",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 38,
+       "name": "República Democrática do Congo",
+       "capital": "Quinxassa",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 39,
+       "name": "Ruanda",
+       "capital": "Quigali",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 40,
+       "name": "São Tomé e Príncipe",
+       "capital": "São Tomé",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 41,
+       "name": "Seicheles",
+       "capital": "Vitória",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 42,
+       "name": "Senegal",
+       "capital": "Dacar",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 43,
+       "name": "Serra Leoa",
+       "capital": "Freetown",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 44,
+       "name": "Somália",
+       "capital": "Mogadíscio",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 45,
+       "name": "Suazilândia",
+       "capital": "Lobamba",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 46,
+       "name": "Sudão",
+       "capital": "Cartum",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 47,
+       "name": "Sudão do Sul",
+       "capital": "Juba",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 48,
+       "name": "Tanzânia",
+       "capital": "Dodoma",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 49,
+       "name": "Togo",
+       "capital": "Lomé",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 50,
+       "name": "Tunísia",
+       "capital": "Tunes",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 51,
+       "name": "Uganda",
+       "capital": "Campala",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 52,
+       "name": "Zâmbia",
+       "capital": "Lusaca",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 53,
+       "name": "Zimbábue",
+       "capital": "Harare",
+       "continent": CONTINENTS.AFRICA
+    },
+    {
+       "id": 54,
+       "name": "Antiga e Barbuda",
+       "capital": "São João",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 55,
+       "name": "Argentina",
+       "capital": "Buenos Aires",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 56,
+       "name": "Bahamas",
+       "capital": "Nassau",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 57,
+       "name": "Barbados",
+       "capital": "Bridgetown",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 58,
+       "name": "Belize",
+       "capital": "Belmopã",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 59,
+       "name": "Bolívia",
+       "capital": "Sucre",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 60,
+       "name": "Brasil",
+       "capital": "Brasília",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 61,
+       "name": "Canadá",
+       "capital": "Otava",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 62,
+       "name": "Chile",
+       "capital": "Santiago",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 63,
+       "name": "Colômbia",
+       "capital": "Bogotá",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 64,
+       "name": "Costa Rica",
+       "capital": "São José",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 65,
+       "name": "Cuba",
+       "capital": "Havana",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 66,
+       "name": "Dominica",
+       "capital": "Roseau",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 67,
+       "name": "Equador",
+       "capital": "Quito",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 68,
+       "name": "Estados Unidos",
+       "capital": "Washington, D.C.",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 69,
+       "name": "Granada",
+       "capital": "São Jorge",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 70,
+       "name": "Guatemala",
+       "capital": "Cidade da Guatemala",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 71,
+       "name": "Guiana",
+       "capital": "Georgetown",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 72,
+       "name": "Haiti",
+       "capital": "Porto Príncipe",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 73,
+       "name": "Honduras",
+       "capital": "Tegucigalpa",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 74,
+       "name": "Jamaica",
+       "capital": "Kingston",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 75,
+       "name": "México",
+       "capital": "Cidade do México",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 76,
+       "name": "Nicarágua",
+       "capital": "Manágua",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 77,
+       "name": "Panamá",
+       "capital": "Cidade do Panamá",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 78,
+       "name": "Paraguai",
+       "capital": "Assunção",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 79,
+       "name": "Peru",
+       "capital": "Lima",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 80,
+       "name": "República Dominicana",
+       "capital": "São Domingos",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 81,
+       "name": "Salvador",
+       "capital": "São Salvador",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 82,
+       "name": "Santa Lúcia",
+       "capital": "Castries",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 83,
+       "name": "São Cristóvão e Neves",
+       "capital": "Basseterre",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 84,
+       "name": "São Vicente e Granadinas",
+       "capital": "Kingstown",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 85,
+       "name": "Suriname",
+       "capital": "Paramaribo",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 86,
+       "name": "Trindade e Tobago",
+       "capital": "Porto de Espanha",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 87,
+       "name": "Uruguai",
+       "capital": "Montevideu",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 88,
+       "name": "Venezuela",
+       "capital": "Caracas",
+       "continent": CONTINENTS.AMERICA
+    },
+    {
+       "id": 89,
+       "name": "Afeganistão",
+       "capital": "Cabul",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 90,
+       "name": "Arábia Saudita",
+       "capital": "Riade",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 91,
+       "name": "Arménia",
+       "capital": "Erevã",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 92,
+       "name": "Azerbaijão",
+       "capital": "Bacu",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 93,
+       "name": "Bangladexe",
+       "capital": "Daca",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 94,
+       "name": "Barém",
+       "capital": "Manama",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 95,
+       "name": "Brunei",
+       "capital": "Bandar Seri Begauã",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 96,
+       "name": "Butão",
+       "capital": "Timbu",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 97,
+       "name": "Camboja",
+       "capital": "Pnom Pene",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 98,
+       "name": "Catar",
+       "capital": "Doa",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 99,
+       "name": "Cazaquistão",
+       "capital": "Astana",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 100,
+       "name": "China",
+       "capital": "Pequim",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 101,
+       "name": "Coreia do Norte",
+       "capital": "Pionguiangue",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 102,
+       "name": "Coreia do Sul",
+       "capital": "Seul",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 103,
+       "name": "Cuaite",
+       "capital": "Cidade do Cuaite",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 104,
+       "name": "Emirados Árabes Unidos",
+       "capital": "Abu Dabi",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 105,
+       "name": "Estado da Palestina",
+       "capital": "Jerusalém Oriental",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 106,
+       "name": "Filipinas",
+       "capital": "Manila",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 107,
+       "name": "Geórgia",
+       "capital": "Tebilíssi",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 108,
+       "name": "Iémen",
+       "capital": "Saná",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 109,
+       "name": "Índia",
+       "capital": "Nova Déli",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 110,
+       "name": "Indonésia",
+       "capital": "Jacarta",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 111,
+       "name": "Irão",
+       "capital": "Teerão",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 112,
+       "name": "Iraque",
+       "capital": "Bagdade",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 113,
+       "name": "Israel",
+       "capital": "Jerusalém",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 114,
+       "name": "Japão",
+       "capital": "Tóquio",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 115,
+       "name": "Jordânia",
+       "capital": "Amã",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 116,
+       "name": "Laus",
+       "capital": "Vienciana",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 117,
+       "name": "Líbano",
+       "capital": "Beirute",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 118,
+       "name": "Malásia",
+       "capital": "Cuala Lumpur",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 119,
+       "name": "Maldivas",
+       "capital": "Malé",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 120,
+       "name": "Mianmar",
+       "capital": "Nepiedó",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 121,
+       "name": "Mongólia",
+       "capital": "Ulã Bator",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 122,
+       "name": "Nepal",
+       "capital": "Catmandu",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 123,
+       "name": "Omã",
+       "capital": "Mascate",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 124,
+       "name": "Paquistão",
+       "capital": "Islamabade",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 125,
+       "name": "Quirguistão",
+       "capital": "Bisqueque",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 126,
+       "name": "Singapura",
+       "capital": "Singapura",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 127,
+       "name": "Síria",
+       "capital": "Damasco",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 128,
+       "name": "Sri Lanca",
+       "capital": "Sri Jaiavardenapura-Cota",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 129,
+       "name": "Tailândia",
+       "capital": "Banguecoque",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 130,
+       "name": "Taiuã",
+       "capital": "Taipé",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 131,
+       "name": "Tajiquistão",
+       "capital": "Duchambé",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 132,
+       "name": "Turcomenistão",
+       "capital": "Asgabate",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 133,
+       "name": "Turquia",
+       "capital": "Ancara",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 134,
+       "name": "Usbequistão",
+       "capital": "Tasquente",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 135,
+       "name": "Vietname",
+       "capital": "Hanói",
+       "continent": CONTINENTS.ASIA
+    },
+    {
+       "id": 136,
+       "name": "Albânia",
+       "capital": "Tirana",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 137,
+       "name": "Alemanha",
+       "capital": "Berlim",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 138,
+       "name": "Andorra",
+       "capital": "Andorra-a-Velha",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 139,
+       "name": "Áustria",
+       "capital": "Viena",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 140,
+       "name": "Bélgica",
+       "capital": "Bruxelas",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 141,
+       "name": "Bielorrússia",
+       "capital": "Minsque",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 142,
+       "name": "Bósnia e Herzegovina",
+       "capital": "Saraievo",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 143,
+       "name": "Bulgária",
+       "capital": "Sófia",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 144,
+       "name": "Chipre",
+       "capital": "Nicósia",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 145,
+       "name": "Cosovo",
+       "capital": "Pristina",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 146,
+       "name": "Croácia",
+       "capital": "Zagrebe",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 147,
+       "name": "Dinamarca",
+       "capital": "Copenhaga",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 148,
+       "name": "Eslováquia",
+       "capital": "Bratislava",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 149,
+       "name": "Eslovénia",
+       "capital": "Liubliana",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 150,
+       "name": "Espanha",
+       "capital": "Madrid",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 151,
+       "name": "Estónia",
+       "capital": "Talim",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 152,
+       "name": "Finlândia",
+       "capital": "Helsínquia",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 153,
+       "name": "França",
+       "capital": "Paris",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 154,
+       "name": "Grécia",
+       "capital": "Atenas",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 155,
+       "name": "Hungria",
+       "capital": "Budapeste",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 156,
+       "name": "Irlanda",
+       "capital": "Dublim",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 157,
+       "name": "Islândia",
+       "capital": "Reiquiavique",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 158,
+       "name": "Itália",
+       "capital": "Roma",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 159,
+       "name": "Letónia",
+       "capital": "Riga",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 160,
+       "name": "Listenstaine",
+       "capital": "Vaduz",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 161,
+       "name": "Lituânia",
+       "capital": "Vílnius",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 162,
+       "name": "Luxemburgo",
+       "capital": "Luxemburgo",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 163,
+       "name": "Macedónia",
+       "capital": "Escópia",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 164,
+       "name": "Malta",
+       "capital": "Valeta",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 165,
+       "name": "Moldávia",
+       "capital": "Quixinau",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 166,
+       "name": "Mónaco",
+       "capital": "Mónaco",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 167,
+       "name": "Montenegro",
+       "capital": "Podgoritsa",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 168,
+       "name": "Noruega",
+       "capital": "Oslo",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 169,
+       "name": "Países Baixos",
+       "capital": "Amesterdão",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 170,
+       "name": "Polónia",
+       "capital": "Varsóvia",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 171,
+       "name": "Portugal",
+       "capital": "Lisboa",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 172,
+       "name": "Reino Unido",
+       "capital": "Londres",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 173,
+       "name": "República Checa",
+       "capital": "Praga",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 174,
+       "name": "Roménia",
+       "capital": "Bucareste",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 175,
+       "name": "Rússia",
+       "capital": "Moscovo",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 176,
+       "name": "São Marinho",
+       "capital": "São Marinho",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 177,
+       "name": "Sérvia",
+       "capital": "Belgrado",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 178,
+       "name": "Suécia",
+       "capital": "Estocolmo",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 179,
+       "name": "Suíça",
+       "capital": "Berna",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 180,
+       "name": "Ucrânia",
+       "capital": "Quieve",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 181,
+       "name": "Vaticano",
+       "capital": "Vaticano",
+       "continent": CONTINENTS.EUROPE
+    },
+    {
+       "id": 182,
+       "name": "Austrália",
+       "capital": "Camberra",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 183,
+       "name": "Fiji",
+       "capital": "Suva",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 184,
+       "name": "Ilhas Marechal",
+       "capital": "Majuro",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 185,
+       "name": "Micronésia",
+       "capital": "Paliquir",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 186,
+       "name": "Nauru",
+       "capital": "Iarém",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 187,
+       "name": "Nova Zelândia",
+       "capital": "Wellington",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 188,
+       "name": "Palau",
+       "capital": "Ngerulmud",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 189,
+       "name": "Papua Nova Guiné",
+       "capital": "Porto Moresby",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 190,
+       "name": "Quiribáti",
+       "capital": "Taraua do Sul",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 191,
+       "name": "Salomão",
+       "capital": "Honiara",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 192,
+       "name": "Samoa",
+       "capital": "Apia",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 193,
+       "name": "Timor-Leste",
+       "capital": "Díli",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 194,
+       "name": "Tonga",
+       "capital": "Nucualofa",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 195,
+       "name": "Tuvalu",
+       "capital": "Funafuti",
+       "continent": CONTINENTS.OCEANIA
+    },
+    {
+       "id": 196,
+       "name": "Vanuatu",
+       "capital": "Porto Vila",
+       "continent": CONTINENTS.OCEANIA
+    }
+ ]
\ No newline at end of file
diff --git a/semana15/Express/src/index.ts b/semana15/Express/src/index.ts
new file mode 100644
index 0000000..7ace10d
--- /dev/null
+++ b/semana15/Express/src/index.ts
@@ -0,0 +1,87 @@
+import express, { Request, Response } from 'express';
+import cors from 'cors';
+import { AddressInfo } from "net"
+import { countries, country } from "./countries"
+
+const app = express();
+
+app.use(express.json());
+app.use(cors());
+
+app.get('/', (req: Request, res: Response) => {
+    res.json({
+        message: 'Hello World!'
+    });
+});
+
+app.get("/countries/all", (req: Request, res: Response) => {
+    const result = countries.map(country => ({
+        id: country.id,
+        name: country.name
+    }))
+
+    res
+        .status(200)
+        .send(result)
+})
+
+
+app.get("/countries/search", (req: Request, res: Response) => {
+    let result: country[] = countries;
+    try {
+       if (!req.query.name && !req.query.capital && !req.query.continent) {
+          throw new Error("Invalid Parameters");
+       }
+       if (req.query.name) {
+          result = result.filter(
+             country => country.name.includes(req.query.name as string)
+          )
+        }
+       if (req.query.capital) {
+          result = result.filter(
+              country => country.capital.includes(req.query.capital as string)
+          )
+        }
+        if (req.query.continent) {
+            result = result.filter(
+                country => country.continent.includes(req.query.continent as string)
+                )
+            }
+        } catch (error) {
+            res.status(400).send(error.message);
+        }
+        res.status(200).send(result);
+    });
+    
+    app.get("/countries/:id", (req: Request, res: Response) => {
+    
+        const result = countries.find(
+            country => country.id === Number(req.params.id)
+        )
+    
+        if (result) {
+            res.status(200).send(result)
+        } else {
+            res.status(404).send("Not found")
+        }
+    
+    })
+    
+    app.put("/countries/edit/:id", (req: Request, res: Response) => {
+    
+        const result = countries.find(
+            country => country.id === Number(req.params.id)
+        ) 
+
+        
+    
+    })
+
+const server = app.listen(process.env.PORT || 3003, () => {
+    if (server) {
+        const address = server.address() as AddressInfo;
+        console.log(`Server is running in http://localhost:${address.port}`)
+    } else {
+        console.error(`Failure upon starting server.`)
+    }
+})
\ No newline at end of file
diff --git a/semana15/Express/tsconfig.json b/semana15/Express/tsconfig.json
new file mode 100644
index 0000000..e124967
--- /dev/null
+++ b/semana15/Express/tsconfig.json
@@ -0,0 +1,71 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+    /* Basic Options */
+    // "incremental": true,                         /* Enable incremental compilation */
+    "target": "es6",                                /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
+    "module": "commonjs",                           /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
+    // "lib": [],                                   /* Specify library files to be included in the compilation. */
+    // "allowJs": true,                             /* Allow javascript files to be compiled. */
+    // "checkJs": true,                             /* Report errors in .js files. */
+    // "jsx": "preserve",                           /* Specify JSX code generation: 'preserve', 'react-native', 'react', 'react-jsx' or 'react-jsxdev'. */
+    // "declaration": true,                         /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                      /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    "sourceMap": true,                           /* Generates corresponding '.map' file. */
+    // "outFile": "./",                             /* Concatenate and emit output to single file. */
+    "outDir": "./build",                              /* Redirect output structure to the directory. */
+    "rootDir": "./src",                             /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                           /* Enable project compilation */
+    // "tsBuildInfoFile": "./",                     /* Specify file to store incremental compilation information */
+    "removeComments": true,                      /* Do not emit comments to output. */
+    // "noEmit": true,                              /* Do not emit outputs. */
+    // "importHelpers": true,                       /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,                  /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,                     /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    "strict": true,                                 /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                       /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,                    /* Enable strict null checks. */
+    // "strictFunctionTypes": true,                 /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,                 /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,        /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                      /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                        /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                      /* Report errors on unused locals. */
+    // "noUnusedParameters": true,                  /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,                   /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,          /* Report errors for fallthrough cases in switch statement. */
+    // "noUncheckedIndexedAccess": true,            /* Include 'undefined' in index signature results */
+    // "noPropertyAccessFromIndexSignature": true,  /* Require undeclared properties from index signatures to use element accesses. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",                  /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                             /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                                 /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                              /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                             /* List of folders to include type definitions from. */
+    // "types": [],                                 /* Type declaration files to be included in compilation. */
+    // "allowSyntheticDefaultImports": true,        /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true,                        /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    // "preserveSymlinks": true,                    /* Do not resolve the real path of symlinks. */
+    // "allowUmdGlobalAccess": true,                /* Allow accessing UMD globals from modules. */
+
+    /* Source Map Options */
+    // "sourceRoot": "",                            /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                               /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,                     /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                       /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,              /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,               /* Enables experimental support for emitting type metadata for decorators. */
+
+    /* Advanced Options */
+    "skipLibCheck": true,                           /* Skip type checking of declaration files. */
+    "forceConsistentCasingInFileNames": true        /* Disallow inconsistently-cased references to the same file. */
+  }
+}