PYTHON ONLY! PLEASE FOLLOW DIRECTIONS!

Implement the function is_valid() in password-checker.py that returns True if the given password string meets the following specifications, and False otherwise: At least eight characters long. Contains at least one digit (0-9). Contains at least one uppercase letter. Contains at least one lowercase letter. Contains at least one character that is neither a letter nor a number. $ python password_checker.py Abcede 1fg False $ python password_checker.py Abcde1@g True import stdio import sys # Returns True if pwd is a valid password and False otherwise. def is valid (pwd): # Test client [DO NOT EDIT]. Reads a password string as command-line argument. # and writes True if it's valid and False otherwise. def_main(): pwd = sys.argv [1] stdio.writeln (is_valid (pwd)) if _____ name _____ == '_____ main _____': __ main()