增
li = ['alex',[1,2,3],'wusir','女神','jojo']
li1 = ['test','gg']
l3 = li[0:3]#['alex',[1,2,3],'wusir'赋值给L3
print(l3)
print(li)
li.append('日天')#元组最后添加日天
print(li)
li.insert(4,'yuanyuan')#元组指定位置添加字符
print(li)
li.extend(li1)#把元组li1添加到li
print(li)
删
li = ['alex',[1,2,3],'wusir','女神','jojo','lien','huahua','hanmeimei'] name = li.pop(0)#删除'alex',并将'alex'赋值给name print(li,name) name1 = li.pop()#删除hanmeimei,并将hanmeimei赋值给name1 print(li,name1) li.remove('wusir')#删除'wusir' print(li) del li[0:2]#删除[1, 2, 3], '女神' print(li) li[0:2] = 'wendflsaifk仙人'#删除'jojo', 'lien',然后在0:2的位置增加'wendflsaifk仙人’ print(li)
改
li = ['alex',[1,2,3],'wusir','女神','jojo'] li[0:3]='one','two','thrre'#改0:3为'one','two','thrre' print(li)
查
li = ['alex',[1,2,3],'wusir','女神','jojo'] print(li[0:3])#查0:3的字符 print(li)
#查 li = ['name','age','long time','wefi'] i = li.index('age')#查age出现多少次 print(i)
使用for循环查列表中的元素
#查 li = ['name','age','long time','wefi'] for i in li: print(i)
其他
li = ['alex',[1,2,3],'wusir','女神','jojo'] li[0:3]='one','two','thrre'#改0:3为'one','two','thrre' a = len(li)#查li共有多少个字符 print(li,a)