您正在尝试连接一个字符串和一个整数,这是不正确的。
更改
print(numlist.pop(2)+" has been removed")为以下任何一项:
明确
int到
str转换:
print(str(numlist.pop(2)) + " has been removed")
使用
,代替
+:
print(numlist.pop(2), "has been removed")
字符串格式:
print("{} has been removed".format(numlist.pop(2)))

![+不支持的操作数类型:'int'和'str'[重复] +不支持的操作数类型:'int'和'str'[重复]](http://www.mshxw.com/aiimages/31/661834.png)
