input: Write a function to print the length of a given string. The function should take a single argument, which is the string whose length needs to be printed. The output should be the length of the string.
  assert print_string_length("Python") is None
  assert print_string_length("Java") is None
  assert print_string_length("Programming") is None
  assert print_string_length("") is None
  assert print_string_length("123456789") is None
output: def print_string_length(s):
      print(len(s))