names = 'ZhangYang guyun xiangpeng xuliangwchen'
names = ['zhangYang','111guyun','xiangpeng','##chenronghua','54xuliangchen']

names.append('leihaidong')
names.insert(1,'chenronghua')
names.insert(3,'xinzhiyu') #插入
names[2] = 'xiedi'  #改



#print(names[0],names[2])
#print(names[1:3]) #切片
#print(names[3]) #切片
#print(names[-1]) #切片
#print(names[-2:]) #切片
#print(names[0:3]) #切片
#print(names[:3]) #切片
#print(names[0:]) #切片
#print(names) #切片

#delete 删除有以下三种方式
#names.remove('chenronghua')
#del names[1]
#names.pop(1)





#print(names.index('xiedi'))  #查找xiedi的序列号
#print(names.index('xiedi'))
#print(names[names.index('xiedi')])

#print(names.count('chenronghua'))

#names.clear()    #清空列表

#names.reverse()   #反转列表，顺序反过来

#names.sort()

print(names)

names2 = [1,2,3,4]
names.extend(names2)  #合并列表
del names2
print(names)