# lst = ['alex',[1,2,3], 'wusir','cgon', "女神", "太白"]
# # l1= lst[0]
# #
# # print(l1)
# # print(lst[1])
# l3 = lst[0:3]
# print(l3)
lst = ['alex',[1,2,3], 'wusir','cgon', "女神", "太白"]
#增加 三种
# lst.append("jinlioayuan")
# print(lst)
#
# print(lst.append(123))
# lst.insert(2,"岁月")
# print(lst)
#删除
# lst.pop()
# # print(lst)
# lst.remove()
# del lst[]
# lst.clear()
#
# #改
# lst[10] = "taibai"
# lst[0:3] =[1,w,3w,w ]
#
# #查找
# 迭代:for循环
# len()
# lst.index("")
#
# sorted()
# lst.sort(reverse=True)
#
# lst.reverse()
#列表的嵌套
li = ["taibai", "wusir", "yuanwu", ['alex','egon', 99], 23]
#find u
# print(li[1][1])
# li[0] = li[0].capitalize()
# print(li[0])
# li[2] = "ritian"
# li[2]=li[2].replace("wu", "ritian")
li[3][0] = li[3][0].upper()
print(li)