摘要：with open("testt","r") as f1: list1 = f1.readlines() print(list1) list1 = set(list1) with open("test2","r") as f2: list2 = f2.readlines() print(list2) list2 = set(list2) same_data =... 阅读全文

摘要：1 import sys,time 2 3 for i in range(20): 4 sys.stdout.write("#") 5 sys.stdout.flush() 6 time.sleep(0.1) 7 8 #sys.stdout.write ,表示写到标准输出（屏幕） 9 sys.stdout.flush ,表示每写一个字符就立刻把... 阅读全文

摘要：1 #!/usr/bin/env python 2 # -*- coding:utf-8 -*- 3 # Author:Irving 4 list_1 = [1,4,5,7,3,6,9,7] 5 list_1 = set(list_1) 6 7 list_2 = set([2,6,0,66,22,8,4]) 8 print(list_1,list_2) 9 10 #交集 1... 阅读全文

摘要：1 name = "my name is irving and i am 22 years old!" 2 3 #开头字母大写 4 print(name.capitalize()) 5 6 #统计某字符个数 7 print(name.count("i")) 8 9 #把字符串延长至50字节，并居中，不足用“-”补全 10 print(name.center(50,"-")... 阅读全文

摘要：#先定义一个列表 names = ["ZhangXueyou","LiMing","GuoFucheng","LiuDehua"] print(names) #(1)统计列表里面某个元素的个数 count = names.count("LiMing") #(2)在列表最后添加元素 names.append("WeiLang") #(3)清空列表 names.clear #(4)列表切片 ... 阅读全文