diff --git a/bonus/bonus10.py b/bonus/bonus10.py
new file mode 100644
index 0000000..3f859b5
--- /dev/null
+++ b/bonus/bonus10.py
@@ -0,0 +1,11 @@
+try:
+    width = float(input('Enter the rectangle width: '))
+    length = float(input('Enter the rectangle length: '))
+
+    if width == length:
+        exit("It shouldn't be a square area calculation")
+
+    area = width * length
+    print(area)
+except ValueError:
+    print("It's expected numbers to be multiplied" )
\ No newline at end of file
diff --git a/bonus/bonus11.py b/bonus/bonus11.py
new file mode 100644
index 0000000..752a3bb
--- /dev/null
+++ b/bonus/bonus11.py
@@ -0,0 +1,12 @@
+def get_average():
+    with open('files/data.txt', 'r') as file:
+        data = file.readlines()
+
+    values = data[1:]
+    values = [float(i) for i in values]
+
+    average_local = sum(values) / len(values)
+    return average_local
+
+average = get_average()
+print(average)
\ No newline at end of file
diff --git a/bonus/bonus12.py b/bonus/bonus12.py
new file mode 100644
index 0000000..b6fd3c9
--- /dev/null
+++ b/bonus/bonus12.py
@@ -0,0 +1,17 @@
+feet_inches = input('Enter feet and inches: ')
+
+def convert(feet_inches):
+    parts = feet_inches.split(' ')
+    feet = float(parts[0])
+    inches = float(parts[1])
+
+    meters = feet * 0.3048 + inches * 0.0254
+    return meters
+
+
+result = convert(feet_inches)
+
+if result < 1:
+     print('Kid is too small.')
+else:
+    print('kid can use the slide.')
\ No newline at end of file
diff --git a/bonus/bonus13.py b/bonus/bonus13.py
new file mode 100644
index 0000000..881d603
--- /dev/null
+++ b/bonus/bonus13.py
@@ -0,0 +1,23 @@
+feet_inches = input('Enter feet and inches: ')
+
+
+def parse(feetinches):
+    parts = feetinches.split(' ')
+    feet = float(parts[0])
+    inches = float(parts[1])
+    return feet, inches
+
+
+def convert(feet, inches):
+    meters = feet * 0.3048 + inches * 0.0254
+    return meters
+
+
+f, i = parse(feet_inches)
+print('fi', f, i)
+result = convert(f, i)
+
+if result < 1:
+     print('Kid is too small.')
+else:
+    print('kid can use the slide.')
\ No newline at end of file
diff --git a/bonus/bonus14.py b/bonus/bonus14.py
new file mode 100644
index 0000000..8346eac
--- /dev/null
+++ b/bonus/bonus14.py
@@ -0,0 +1,15 @@
+from bonus.converters14 import convert
+from bonus.parsers14 import parse
+
+feet_inches = input('Enter feet and inches: ')
+
+parsed = parse(feet_inches)
+
+result = convert(parsed['feet'], parsed['inches'])
+
+print(f"{parsed['feet']} feet and {parsed['inches']} is equals to {result}")
+
+if result < 1:
+     print('Kid is too small.')
+else:
+    print('kid can use the slide.')
\ No newline at end of file
diff --git a/bonus/bonus15.py b/bonus/bonus15.py
new file mode 100644
index 0000000..8346eac
--- /dev/null
+++ b/bonus/bonus15.py
@@ -0,0 +1,15 @@
+from bonus.converters14 import convert
+from bonus.parsers14 import parse
+
+feet_inches = input('Enter feet and inches: ')
+
+parsed = parse(feet_inches)
+
+result = convert(parsed['feet'], parsed['inches'])
+
+print(f"{parsed['feet']} feet and {parsed['inches']} is equals to {result}")
+
+if result < 1:
+     print('Kid is too small.')
+else:
+    print('kid can use the slide.')
\ No newline at end of file
diff --git a/bonus/bonus16.py b/bonus/bonus16.py
new file mode 100644
index 0000000..18f4a90
--- /dev/null
+++ b/bonus/bonus16.py
@@ -0,0 +1,30 @@
+import FreeSimpleGUI as fsg
+from zip_creator import make_archive
+
+label1 = fsg.Text("Select files to compress")
+input1 = fsg.Input()
+choose_button1 = fsg.FilesBrowse("Choose", key="files")
+
+label2 = fsg.Text("Select destination folder")
+input2 = fsg.Input()
+choose_button2 = fsg.FolderBrowse("Choose", key="folder")
+
+compress_button = fsg.Button("Compress")
+output_label = fsg.Text(key="output", text_color="#000022")
+
+window = fsg.Window("File Compressor",
+                    layout=[[label1, input1,  choose_button1],
+                            [label2, input2, choose_button2],
+                            [compress_button, output_label]])
+
+while True:
+    event, values = window.read()
+    if event == fsg.WIN_CLOSED:
+        break
+    filepaths = values["files"].split(";")
+    folder = values["folder"]
+    make_archive(filepaths, folder)
+    window["output"].update(value="Compression completed!")
+
+
+window.close()
\ No newline at end of file
diff --git a/bonus/bonus18.py b/bonus/bonus18.py
new file mode 100644
index 0000000..0e37f30
--- /dev/null
+++ b/bonus/bonus18.py
@@ -0,0 +1,47 @@
+import FreeSimpleGUI as fsg
+from zip_extractor import extract_archive
+
+fsg.theme('Black')
+
+label1 = fsg.Text("Select archive:")
+input1 = fsg.Input()
+choose_button1 = fsg.FileBrowse("Choose", key="archive")
+
+label2 = fsg.Text("Select dest. dir.:")
+input2 = fsg.Input()
+choose_button2 = fsg.FileBrowse("Choose", key="folder")
+
+extract_button = fsg.Button("Extract")
+output_label = fsg.Text(key="output", text_color="green")
+
+window = fsg.Window("Archive Extractor",
+                    layout=[[label1, input1, choose_button1],
+                            [label2, input2, choose_button2],
+                            [extract_button, output_label]])
+
+while True:
+    event, values = window.read()
+
+    match event:
+        case fsg.WIN_CLOSED:
+            break
+
+        case "Extract":
+            archivepath = values["archive"]
+            dest_dir = values["folder"]
+
+            if archivepath and dest_dir:
+                try:
+                    extract_archive(archivepath, dest_dir)
+                    window["output"].update(value="Extraction Completed!", text_color="green")
+                except FileNotFoundError:
+                    window["output"].update(value="Error: Archive file not found.", text_color="red")
+                except PermissionError:
+                    window["output"].update(value="Error: Permission denied.", text_color="red")
+                except Exception as e:
+                    window["output"].update(value=f"Error: {e}", text_color="red")
+            else:
+                window["output"].update(value="Please select both archive and destination directory.",
+                                        text_color="red")
+
+window.close()
\ No newline at end of file
diff --git a/bonus/bonus9.py b/bonus/bonus9.py
new file mode 100644
index 0000000..709fc28
--- /dev/null
+++ b/bonus/bonus9.py
@@ -0,0 +1,27 @@
+password = input('Enter new password ')
+
+result = []
+
+if len(password) >= 8:
+    result.append(True)
+else:
+    result.append(False)
+
+digit = False
+for i in password:
+    if i.isdigit():
+        digit = True
+
+result.append(digit)
+
+uppercase = False
+for i in password:
+    if i.isupper():
+        uppercase = True
+
+result.append(digit)
+
+if all(result):
+    print('Strong Password')
+else:
+    print('Weak Password')
\ No newline at end of file
diff --git a/bonus/compressed.zip b/bonus/compressed.zip
new file mode 100644
index 0000000..3edd9ad
Binary files /dev/null and b/bonus/compressed.zip differ
diff --git a/bonus/converters14.py b/bonus/converters14.py
new file mode 100644
index 0000000..5cd32c5
--- /dev/null
+++ b/bonus/converters14.py
@@ -0,0 +1,3 @@
+def convert(feet, inches):
+    meters = feet * 0.3048 + inches * 0.0254
+    return meters
\ No newline at end of file
diff --git a/bonus/dest/bonus1.py b/bonus/dest/bonus1.py
new file mode 100644
index 0000000..e19606b
--- /dev/null
+++ b/bonus/dest/bonus1.py
@@ -0,0 +1,7 @@
+print("Don't enter a title here")
+
+text = input('Enter a title: ')
+
+length = len(text)
+
+print('Length of:',length)
\ No newline at end of file
diff --git a/bonus/dest/bonus2.2.py b/bonus/dest/bonus2.2.py
new file mode 100644
index 0000000..55c9f1d
--- /dev/null
+++ b/bonus/dest/bonus2.2.py
@@ -0,0 +1,6 @@
+x = 1
+
+while x <= 6:
+    print(x)
+    x = x + 1
+
diff --git a/bonus/dest/compressed.zip b/bonus/dest/compressed.zip
new file mode 100644
index 0000000..3edd9ad
Binary files /dev/null and b/bonus/dest/compressed.zip differ
diff --git a/bonus/parsers14.py b/bonus/parsers14.py
new file mode 100644
index 0000000..e870e66
--- /dev/null
+++ b/bonus/parsers14.py
@@ -0,0 +1,5 @@
+def parse(feetinches):
+    parts = feetinches.split(' ')
+    feet = float(parts[0])
+    inches = float(parts[1])
+    return {'feet': feet, 'inches': inches}
\ No newline at end of file
diff --git a/bonus/questions.json b/bonus/questions.json
new file mode 100644
index 0000000..3f83f1e
--- /dev/null
+++ b/bonus/questions.json
@@ -0,0 +1,6 @@
+{"question_text":"What are dolphins?",
+  "alternatives": ["Amphibians", "Fish", "Mammals", "Birds"],
+  "correct_answer":3},
+ {"question_text":"What occupies most of the Earth's surface?",
+  "alternatives": ["Land", "Water"],
+  "correct_answer":2}]
\ No newline at end of file
diff --git a/bonus/zip_creator.py b/bonus/zip_creator.py
new file mode 100644
index 0000000..4181483
--- /dev/null
+++ b/bonus/zip_creator.py
@@ -0,0 +1,13 @@
+import  zipfile
+import pathlib
+
+def make_archive(filepaths, dest_dir):
+    dest_path = pathlib.Path(dest_dir, "compressed.zip")
+    with zipfile.ZipFile(dest_path, 'w') as archive:
+        for filepath in  filepaths:
+            filepath = pathlib.Path(filepath)
+            archive.write(filepath, arcname=filepath.name)
+
+
+if __name__ == "__main__":
+    make_archive(filepaths=["bonus1.py", "bonus2.2.py"], dest_dir="dest")
\ No newline at end of file
diff --git a/bonus/zip_extractor.py b/bonus/zip_extractor.py
new file mode 100644
index 0000000..6238f8c
--- /dev/null
+++ b/bonus/zip_extractor.py
@@ -0,0 +1,10 @@
+import zipfile
+
+
+def extract_archive(archivepath, dest_dir):
+    with zipfile.ZipFile(archivepath, 'r') as archive:
+        archive.extractall(dest_dir)
+
+# if __name__ == "__main__":
+#     extract_archive(r"D:\Python\PythonProject\ToDoList\bonus\compressed.zip",
+#                     r"D:\Python\PythonProject\ToDoList\bonus\dest")
\ No newline at end of file
diff --git a/cli.py b/cli.py
new file mode 100644
index 0000000..4afb9df
--- /dev/null
+++ b/cli.py
@@ -0,0 +1,57 @@
+# from modules.functions import get_todos, write_todos "not necessary functions. before get_todos and write_todos", but requires __init__.py inside modules directory
+import time
+
+from modules import functions
+import time
+
+now = time.strftime('%b %d, %Y %H:%M:%S')
+print("It's", now)
+
+while True:
+    user_action = input('Type add, show or display, edit, complete, or exit: ')
+    user_action = user_action.strip()
+
+    if user_action.startswith('add'):
+        todo = user_action[4:]
+        todos = functions.get_todos()
+        todos.append(todo.capitalize() + '\n')
+        functions.write_todos(todos)
+
+    elif user_action.startswith('show') or user_action.startswith('display'):
+        todos = functions.get_todos()
+        for index, item in enumerate(todos):
+            item = item.strip('\n').capitalize()
+            print(f"{index + 1}. {item}")
+
+    elif user_action.startswith('edit'):
+        try:
+            number = int(user_action[5:])
+            number = number - 1
+            todos = functions.get_todos()
+            new_todo = input('Enter new todo: ')
+            todos[number] = new_todo + '\n'
+            functions.write_todos(todos)
+        except ValueError:
+            print('Expected the number of the todo instead of a name.')
+            continue
+
+    elif user_action.startswith('complete'):
+        try:
+            number = int(user_action[9:])
+            todos = functions.get_todos()
+            index = number - 1
+            todo_to_remove = todos[index].strip('\n')
+            todos.pop(index)
+            functions.write_todos(todos)
+            print(f'Todo {todo_to_remove} was removed from the list.')
+        except IndexError:
+            print("There's no item with that number.")
+            continue
+
+    elif user_action.startswith('exit'):
+        break
+
+    else:
+        print('Hey! You entered an unknown command.')
+
+print('Bye!')
\ No newline at end of file
diff --git a/experiments/e1.py b/experiments/e1.py
new file mode 100644
index 0000000..ea3fcbf
--- /dev/null
+++ b/experiments/e1.py
@@ -0,0 +1,7 @@
+import glob
+
+myfiles = glob.glob("../files/*.txt")
+
+for filepath in myfiles:
+    with open(filepath, 'r') as file:
+        print(file.read())
\ No newline at end of file
diff --git a/experiments/e2_1.py b/experiments/e2_1.py
new file mode 100644
index 0000000..b054922
--- /dev/null
+++ b/experiments/e2_1.py
@@ -0,0 +1,10 @@
+import csv
+
+with open("weather.csv", 'r') as file:
+    data = list(csv.reader(file))
+
+city = input("Enter a city: ")
+
+for row in data[1:]:
+    if row[0] == city:
+        print(row[1])
\ No newline at end of file
diff --git a/experiments/e3_1.oy.py b/experiments/e3_1.oy.py
new file mode 100644
index 0000000..14a44b2
--- /dev/null
+++ b/experiments/e3_1.oy.py
@@ -0,0 +1,3 @@
+import shutil
+
+shutil.make_archive("output", "zip", "../files")
\ No newline at end of file
diff --git a/experiments/e4_1.py b/experiments/e4_1.py
new file mode 100644
index 0000000..b054922
--- /dev/null
+++ b/experiments/e4_1.py
@@ -0,0 +1,10 @@
+import csv
+
+with open("weather.csv", 'r') as file:
+    data = list(csv.reader(file))
+
+city = input("Enter a city: ")
+
+for row in data[1:]:
+    if row[0] == city:
+        print(row[1])
\ No newline at end of file
diff --git a/experiments/output.zip b/experiments/output.zip
new file mode 100644
index 0000000..e69de29
diff --git a/experiments/weather.csv b/experiments/weather.csv
new file mode 100644
index 0000000..4c74369
--- /dev/null
+++ b/experiments/weather.csv
@@ -0,0 +1,3 @@
+"Station","Temperature"
+"Kuala Lumpur","45"
+"New York","20"
\ No newline at end of file
diff --git a/files/todos.txt b/files/todos.txt
index e69de29..0a27ecd 100644
--- a/files/todos.txt
+++ b/files/todos.txt
@@ -0,0 +1,2 @@
+new todo
+
diff --git a/gui.py b/gui.py
new file mode 100644
index 0000000..5c285c1
--- /dev/null
+++ b/gui.py
@@ -0,0 +1,95 @@
+from modules import functions
+import FreeSimpleGUI as sg
+import time
+import os
+
+if not os.path.exists("todos.txt"):
+    with open("todos.txt, 'w") as file:
+        pass
+
+sg.theme("Black")
+
+clock = sg.Text('', key='clock')
+label = sg.Text("Type in a to-do", key='label')
+input_box = sg.InputText(tooltip="Enter todo", key="todo")
+
+add_button = sg.Button(
+    image_source="imgs/add.png",
+    key="Add", size=10,
+    mouseover_colors="LightBlue2",
+    tooltip="Add a new to-do")
+
+list_box = sg.Listbox(values=functions.get_todos(), key='todos',
+                      enable_events=True, size=(45, 10))
+edit_button = sg.Button(
+    image_source="imgs/edit.png",
+    key="Edit", size=10,
+    mouseover_colors="LightBlue2",
+    tooltip="Edit a to-do")
+complete_button = sg.Button(
+    image_source="imgs/complete.png",
+    key="Complete", size=10,
+    mouseover_colors="LightBlue2",
+    tooltip="Complete a to-do")
+exit_button = sg.Button(
+    image_source="imgs/exit.png",
+    key="Exit", size=10,
+    mouseover_colors="LightBlue2",
+    tooltip="Exit the app")
+
+layout = [
+    [clock],
+    [label],
+    [input_box, add_button],
+    [list_box, edit_button, complete_button],
+    [exit_button]
+]
+
+window = sg.Window('My To-Do App', layout=layout, font=('Helvetica', 20))
+
+while True:
+    event, values = window.read(timeout=200)
+    window['clock'].update(value=time.strftime('%b %d, %Y %H:%M:%S'))
+
+
+    match event:
+        case "Add":
+            try:
+                todos = functions.get_todos()
+                new_todo = values['todo'] + "\n"
+                todos.append(new_todo)
+                functions.write_todos(todos)
+                window['todo'].update(value="")
+                window['todos'].update(values=todos)
+            except IndexError:
+                sg.popup("Please select an item first.", font=('Helvetica', 20))
+        case "Edit":
+            try:
+                todo_to_edit = values['todos'][0]
+                new_todo = values['todo']
+
+                todos = functions.get_todos()
+                index = todos.index(todo_to_edit)
+                todos[index] = new_todo
+                functions.write_todos(todos)
+                window['todos'].update(values=todos)
+            except IndexError:
+                sg.popup("Please select an item first.", font=('Helvetica', 20))
+        case "Complete":
+            try:
+                todo_to_complete = values['todos'][0]
+                todos = functions.get_todos()
+                todos.remove(todo_to_complete)
+                functions.write_todos(todos)
+                window['todos'].update(values=todos)
+                window['todo'].update(value='')
+            except IndexError:
+                sg.popup("Please select an item first.", font=('Helvetica', 20))
+        case "Exit":
+            break
+        case 'todos':
+            window['todo'].update(value=values['todos'][0])
+        case sg.WIN_CLOSED:
+            break
+
+window.close()
\ No newline at end of file
diff --git a/imgs/add.png b/imgs/add.png
new file mode 100644
index 0000000..823d5ce
Binary files /dev/null and b/imgs/add.png differ
diff --git a/imgs/complete.png b/imgs/complete.png
new file mode 100644
index 0000000..4f30162
Binary files /dev/null and b/imgs/complete.png differ
diff --git a/imgs/edit.png b/imgs/edit.png
new file mode 100644
index 0000000..27a6038
Binary files /dev/null and b/imgs/edit.png differ
diff --git a/imgs/exit.png b/imgs/exit.png
new file mode 100644
index 0000000..42e89b3
Binary files /dev/null and b/imgs/exit.png differ
diff --git a/main.py b/main.py
deleted file mode 100644
index 03f8247..0000000
--- a/main.py
+++ /dev/null
@@ -1,70 +0,0 @@
-while True:
-    # Get user input and strip space chars from it
-    user_action = input('Type add, show or display, edit, complete, or exit: ')
-    user_action = user_action.strip()
-
-    match user_action:
-        case 'add':
-            todo = input('Enter a todo: ') + '\n'
-
-            with open('files/todos.txt', 'r') as file:
-                todos = file.readlines()
-
-            todos.append(todo.capitalize())
-
-            with open('files/todos.txt', 'w') as file:
-                file.writelines(todos)
-
-        case 'show' | 'display':
-            with open('files/todos.txt', 'r') as file:
-                todos = file.readlines()
-
-            # new_todos = []
-            # for item in todos:
-            #     new_item = item.strip('\n')
-            #     new_todos.append(new_item)
-
-            # new_todos = [item.strip('\n') for item in todos]
-
-            for index, item in enumerate(todos): # new_todos for the previous two
-                item = item.strip('\n').capitalize()
-                row = f"{index + 1}. {item}"
-                print(row)
-
-        case 'edit':
-            number = int(input('Enter the number of todo to edit: '))
-            number = number - 1
-
-            with open('files/todos.txt', 'r') as file:
-                todos = file.readlines()
-
-            new_todo = input('Enter new todo: ')
-            todos[number] = new_todo + '\n'
-
-            with open('files/todos.txt', 'w') as file:
-                file.writelines(todos)
-
-        case 'complete':
-            number = int(input('Enter the number of todo to complete: '))
-
-            with open('files/todos.txt', 'r') as file:
-                todos = file.readlines()
-
-            index = number  - 1
-            todo_to_remove = todos[index].strip('\n')
-
-            todos.pop(index)
-
-            with open('files/todos.txt', 'w') as file:
-                file.writelines(todos)
-
-            message = f'Todo {todo_to_remove} was removed from the list.'
-            print(message)
-
-        case 'exit':
-            break
-
-        case _:
-            print('Hey! You entered an unknown command.')
-
-print('Bye!')
\ No newline at end of file
diff --git a/modules/__init__.py b/modules/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/modules/functions.py b/modules/functions.py
new file mode 100644
index 0000000..a256723
--- /dev/null
+++ b/modules/functions.py
@@ -0,0 +1,16 @@
+FILEPATH = "files/todos.txt"
+
+
+def get_todos(filepath=FILEPATH):
+    """
+    Read a text file and return the list of
+    to-do items.
+    """
+    with open(filepath, 'r') as file_local:
+        todos_local = file_local.readlines()
+    return  todos_local
+
+def write_todos(todos_arg, filepath=FILEPATH):
+    """ Write the to-do items list in the text file. """
+    with open(filepath, 'w') as file:
+        file.writelines(todos_arg)
\ No newline at end of file
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new file mode 100644
index 0000000..ea48919
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