import random from string import * constants = ascii_letters + digits + punctuation print(constants) password_length = int(input("What's the length of the password? ")) password = "" for i in range(password_length): password += random.choice(constants) print(password) # do not close the above program after execution and rerun the code.

def change_str(str):
  return str[-1] + str[1:-1] + str[0]
change_str('abcd')