a = ['a','b']
b=enumerate(a)
for i in b:
print(i)
for i,k in b:
print(i)
out = ['play','wom','nuw','获取指定元素索引位置'] out.append('追加') print(out) t = out.count('元素出现的次数') print(t) temp = ['批量','添加'] out.extend(temp) print(out) r = out.index('获取指定元素索引位置') print(r) out.insert(2,'向指定索引位置插入数据') print(out) '''移除列表中最后一个元素,并将其赋值給一个变量''' w = out.pop() print(w) out.append(w) print(out) '''移除某个元素''' out.remove('play') print(out) '''翻转''' out.reverse() print(out)
'''删除指定索引位置'''
del out[1]
print(out)
列表嵌套: li = ['alxe','dd',{'k1':'1','k2':{'k':(11,22,33),'k3':'4'}}] print(li[2]['k2']['k'][1])