input: from typing import Callable
  
  def string_length_func() -> Callable[[str], None]:
      """
      Return a function that prints the length of a given string.
  
      Example:
      >>> string_len = string_length_func()
      >>> string_len("Python")
      Length of the given string is: 6
      """
      def length_printer(s: str):
          print("Length of the given string is:", len(s))
      return length_printer
output:     def length_printer(s: str):
          print("Length of the given string is:", len(s))
      return length_printer