Python 类型错误：+= 不支持的操作数类型：'int' 和 'list'
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TypeError: unsupported operand type(s) for +=: 'int' and 'list'
提问by Julien Martin
Brand new to Python (and coding altogether). I have to do a project for my school. I'm having an issue with one of the functions. The line "s+=line" is giving me:
全新的 Python（以及完全编码）。我必须为我的学校做一个项目。我遇到了其中一项功能的问题。“s+=line”这一行给了我：
TypeError: unsupported operand type(s) for +=: 'int' and 'list'
类型错误：+= 不支持的操作数类型：'int' 和 'list'
So I take it my function called "testIfCorrect" is wrong, but I'm not really sure what the problem is...
所以我认为我的名为“testIfCorrect”的函数是错误的，但我不确定问题是什么......
def testIfCorrect(world, x, y):
s=0
for line in world:
s+=line
print("ligne",line)
if(s > 2):
return False
for i in range(x):
if(sum(returnColumn(world, i)) > 2):
return False
for j in range(x):
for k in range(y):
if(j == k):
pass
else:
if(world[j] == world[k]):
return False
if(returnColumn(world, j) == returnColumn(world ,k)):
return False
def returnColumn(array, column):
return [col[column] for col in array]
Thank you and sorry for my bad english
谢谢你，对不起我的英语不好
采纳答案by Sakib Ahammed
In
在
s=0
for line in world:
s+=line
Here Sis an int and wordis 2D List. So, In for line in world, line is a List. So, line is not add with int s ie. s+=linein wrong
这S是一个 int 和word2D 列表。所以， In for line in world， line 是一个列表。所以， line 不是用 int s 添加的，即。s+=line在错
So, In s+=line, you can replace s+=sum(line). I think you find your answer.
因此， In s+=line，您可以替换s+=sum(line)。我想你找到了答案。
Try this:
尝试这个：
s=0
for line in world:
s+=sum(line)
