摘要：
#!/usr/bin/env python# -*- coding:utf-8 -*-long = 22counter = 0for i in range(10): # 10次循环 print('--> counter:',counter) #打印循环的次数 if counter < 3: #每次小 阅读全文
摘要：
break #跳出整个循环 continue #跳出本次循环简单密码验证 #!/usr/bin/env python# -*- coding:utf-8 -*-user = "long"pwd ="abclong"user_name = input("username:")password = in 阅读全文