day2_切片

names = ["4ZhangYang", "#!Guyun",'XieDi',"xXiangPeng",["alex","jack"],"ChenRonghua","XuLiangchen"]
name3 = ["4ZhangYang", "#!Guyun",'XieDi',"xXiangPeng","ChenRonghua","XuLiangchen"]
print(names[-2])#倒数第2个
names.insert(1,"ChenRonghua")#1插入第一个位置
names.remove("ChenRonghua")#册除ChenRonghua
# del names[1] =names.pop(1)#册除第一个
print(names.index("XieDi"))#找出位置
names.clear()#
names.reverse()#把列表倒序
name3.sort()#按ASSICC排序
print(name3)
names2 = [1,2,3,4]
names.extend(names2)#把name2并入names
name4 = copy.copy(names)#浅copy，更改部分copy
name4 = copy.deepcopy(names)#深copy，底层
names[3][0] ="ALEXANDER"#把指定元素替换掉
print(names[0:-1:2])#最后1个2是步长，也就每隔2个切片和range(1,15,2)
for i in names:
    print(i)#每一个输出
 person=['name',['saving',100],500]
# k1=copy.copy(person)
# k2=person[:]
# k3=list(person)
# k1=k2=k3#功能相同
p1=person[:]
p2=person[:]
p1[0]="lz"
p2[0]="cl"
p1[1][1]='50'
#字菜单2个都会改变，建立联合账号，都能看到卡里的钱
print(p1,p2)
p3=person[:]
print(p3)