最近比较忙,好久没有更新博客了。
是时候展示真正的技术了哈
Python自学之基础语法。。。
持续更新中。。
请关注。
唐人街探案之---切片,切丝
#Author:JZ #列表的使用 #names = "zhangjian Canglaoshi" #names = "wangwu zhaosan" ''' #copy的用法---浅拷贝(只拷贝一层)-内存--用的很少 names = ["zhangsan", "lisi", "wangwu", ["xiaoze", "maliya"], "canglaoshi"] names3 = names.copy() print(names) print(names3) names[2] = "小白" print(names) print(names3) names[3][0] = "XIAOZE" print(names) print(names3) a = [1, 2, 3] b = a a[1] = 666 print(b) ''' ''' #深拷贝---- import copy names = ["zhangsan", "lisi", "wangwu", ["xiaoze", "maliya"], "canglaoshi"] names4 = copy.deepcopy(names) print(names) print(names4) names[3][0] = "XIAOZE" print(names) print(names4) '''
''' names = ["zhangsan", "lisi", "wangwu", "canglaoshi"] names.append("xiaoze") #插入---前面 names.insert(1, "maliya") names.insert(3, "zaza") ''' ''' #修改 names[2] = "caicai" print(names) #删除-- names.remove("wangwu") print(names) del names[1] print(names) names.pop(1) print(names) #print(names) ''' ''' print(names[0], names[2]) print(names[1:2]) #顾头不顾尾,是0可以忽略掉的 print(names[1:3])#切片 print(names[0:3])#切片 print(names[3])#切片 print(names[-1])#切片 print(names[-2])#切片 print(names[-3:])#切片 ''' ''' #查找指定位置的元素 print(names) print(names.index("lisi")) print(names[names.index("lisi")]) print(names.count("lisi")) #names.clear() names.reverse() #排序--阿斯克码值排 names.sort() print(names) #合并 names2 = [1, 2, 3, 4] print(names2) names.extend(names2) print(names, names2) '''
更多火爆后续会持续更新。。。