#!/usr/bin/env python
# -*- coding:utf-8 -*-

l1 = [1, 2, 'alex', ['WuSir','taibai',99], 6]
#1、将alex变成Alex
# l1[2] = l1[2].capitalize()
#
# #2 将WuSir变成全部大写
# l1[3][0] = l1[3][0].upper()
# print(l1)
#3 3，99让其通过数字加1的方式变成100
# l1[3][-1] = str(l1[3][-1] + 1)
# print(l1)