Hello World:

   # hello.py
   print "Hello, World!"

Variables and Data Types:

   # variables.py
   name = "John"
   age = 25
   height = 1.75
   is_student = True

   print "Name:", name
   print "Age:", age
   print "Height:", height
   print "Is Student:", is_student

User Input:

   # user_input.py
   name = raw_input("Enter your name: ")
   print "Hello, " + name + "!"

Conditional Statements:

   # if_statement.py
   num = input("Enter a number: ")

   if num % 2 == 0:
       print num, "is even."
   else:
       print num, "is odd."

Loops:

   # while_loop.py
   count = 0
   while count < 5:
       print "Count:", count
       count += 1

   # for_loop.py
   for i in range(5):
       print "Iteration:", i

Functions:

   # functions.py
   def greet(name):
       return "Hello, " + name + "!"

   print greet("Alice")

Lists and Dictionaries:

   # lists_and_dicts.py
   my_list = [1, 2, 3, 4, 5]
   my_dict = {'a': 10, 'b': 20, 'c': 30}

   print "List:", my_list
   print "Dictionary:", my_dict

File Handling:

   # file_handling.py
   with open("example.txt", "w") as file:
       file.write("Hello, Python 2.7!")

   with open("example.txt", "r") as file:
       content = file.read()
       print "File Content:", content