names = ["小明","小红","笑笑","开心","骗子","小偷","混子","笑笑"]

#print(type(names))  打印他的类型

print(names)

names[names.index("骗子")] = "章胖子"

print(names)

# print(names[-1]) #取操作

# print(names.index("小红")) #查找  返回 元素的索引\下标

# print(names[3:5])

# print(names.count("笑笑"))#统计

# names.append("小刘")#追加

# print(names)

#

# #insert 插入

# names.insert(3,"小吴")

# names.insert(4,"大牛")

# print(names)

# #如果记不住方法的话就cart+方法名

# print(names.pop(5))#删除，默认删除最后一个

# names.remove("笑笑")#重名的默认删除最左边的

# del names[1]

# print(names)

# names = ['xing']

# names2 = ["jack","rain","rachel","4","5","!"]

# names.clear() #清空列表

#names.extend(names2)#扩展列表

#names = names + names2

#names2.reverse()#反转

# names2.sort()

# print(names2)

name = "Xing Xu"

name2 = name   #name2本就不是指向name  name2通过name找到name的地址并指向它，name改了就是在name开辟一块新的地址，

# 就会把它的指向新的地址，之前的就划掉了，Python有自动的回收机制；

name = "ALEX LI"

print(name2 , name)