input: 
  def concatenate_and_print_strings(string1: str, string2: str) -> None:
      """ Concatenate two strings with a space in between and print the result.
      >>> concatenate_and_print_strings("Hello", "World")
      Hello World
      """
  
output:     concatenated_string = string1 + " " + string2
      print(concatenated_string)