input: Write a function to store two strings, "Hello" and "World", and print them on the same line separated by a space. Implement the function within a Python program.
  
  def store_and_print_strings():
      string1 = "Hello"
      string2 = "World"
      print(string1 + " " + string2)
  
  assert store_and_print_strings() == None
  assert store_and_print_strings() == None
output: def store_and_print_strings():
      string1 = "Hello"
      string2 = "World"
      print(string1 + " " + string2)