huanglinsheng

摘要： 元组 元组其实跟列表差不多，也是存一组数，只不是它一旦创建，便不能再修改，所以又叫只读列表 语法 1 names = ("alex","jack","eric") 1 names = ("alex","jack","eric") 1 names = ("alex","jack","eric") 1 阅读全文

摘要： 一、三元运算 result = 值1 if 条件 else 值2 如果条件为真：result = 值1如果条件为假：result = 值2 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Huanglinsheng for i in range(10): if i 5: break #不往下走了,直接跳出整个loop print("loop:",i) count = 0 while True: print("I love y... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Huanglinsheng #输入用户名密码，认证成功后显示欢迎信息，输错三次后锁定 file = open('lock.txt').readlines() name = input('username:').strip() lock=[] for i in file: lin... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Huanglinsheng # my_age = 30 # user_input = int(input("input your guess num:")) # # if user_input == my_age: # print("Congratulations,you got... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Huanglinsheng import getpass name = input("Input your name:") pwd = input("Input your passwd:") if name == "hc" and pwd == "hls": print("... 阅读全文

摘要： 1 #!/usr/bin/env python 2 # -*- coding:utf-8 -*- 3 # Author:Huanglinsheng 4 #把用户的输入的参数当作一条命令交给os.system来执行 5 6 import sys,os 7 8 print(sys.argv[1:]) 9 阅读全文