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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def acquire_code(args, session, session3):
 """returns the user's token serial number, MFA token code, and an error code."""

    serial_number = find_mfa_for_user(args.serial_number, session, session3)
    if not serial_number:
        print("There are no MFA devices associated with this user.",
              file=sys.stderr)
        return None, None, USER_RECOVERABLE_ERROR

    token_code = args.token_code
    if token_code is None:
        while token_code is None or len(token_code) != 6:
            token_code = getpass.getpass("MFA Token Code: ")
    return serial_number, token_code, OK