finished ruby collections

add_up.rb

@@ -0,0 +1,17 @@
+# Alannah Smith
+# 3/31/21
+
+def add_up(i)
+  puts "Enter a positive number"
+    mo = gets.chomp.to_i
+       if( mo % 2 == 0 )
+          x =0.upto(mo).inject{|memo, i| memo +=i; memo}
+          puts x
+       else
+         puts "Oops, we needed a positive number"
+     end
+end
+
+add_up(2)
+add_up(3)
+add_up(4)

full_name.rb

@@ -0,0 +1,15 @@
+# Alannah Smith
+# 3/31/21
+
+name = []
+
+puts "Enter First Name: "
+name.push gets.chomp
+
+puts "Enter Middle Name: "
+name.push gets.chomp
+
+puts "Enter Last Name: "
+name.push gets.chomp
+
+puts "Hello #{name.join(' ')}!"

leap_year.rb

@@ -0,0 +1,19 @@
+# Alannah Smith
+# 3/31/21
+
+def leap_years(start_year, end_year)
+  (start_year..end_year).select { |year|
+  year % 400 == 0 || (year % 100 != 0 && year % 4 == 0) }
+
+end
+
+
+  puts "Enter a start year:  "
+
+  start_year = gets.chomp.to_i
+
+  puts "Enter a end year:  "
+
+  end_year = gets.chomp.to_i
+
+  puts "The leap years between #{start_year} and #{end_year} are: #{leap_years(start_year, end_year).join(' ')}"

sorted_words.rb

@@ -0,0 +1,15 @@
+# Alannah Smith
+# 3/31/21
+
+  words = []
+
+    loop do
+      puts "Enter a word or press the enter key to leave"
+      word = gets.chomp
+       words.sort
+       if word == ""
+         break
+       end
+    words.push(word)
+  end
+puts "Your Words Are: #{words.join(",")}"