# Author:iwanghang# getpass 在pycharm中无效，请用cmd运行import getpass_username = "iwanghang"_password = "123123"username = input("username:")password = getpass.getpass("password:")if _username == username and _password == password:    print("Welcome user {name} login...".format(name=username))else:    print("Invalid username or password!")

Debug Output：

(venv) C:\PycharmProjects\20180111\01>python test04.pyusername:iwanghangpassword:Welcome user iwanghang login...(venv) C:\PycharmProjects\20180111\01>python test04.pyusername:iwanghangpassword:Invalid username or password!