2015/9/13 Python密码输入屏蔽字符

            import
              msvcrt, sys


            def
             pwd_input(a):
    
            print
             str(a),
    chars = []
    while True:
        newChar = msvcrt.getch()
        if newChar in‘rn‘:
            print‘‘breakelif newChar in‘b‘:
            if chars:
                del chars[-1]
                sys.stdout.write(‘bb‘)
        else:
            chars.append(newChar)
            sys.stdout.write(‘*‘)
    return str(chars)

pwd = pwd_input(‘password:‘)