python SyntaxError：解析时出现意外的EOF [英] python SyntaxError: unexpected EOF while parsing

问题描述

所以我有这段代码

m, b = eval(input())

目标是输入一堆用逗号分隔的值，然后让python将元组解包到变量中

the aim is to have a whole bunch of comma separated values inputted and then have python unpack the tuple into the variables

但是当我运行时出现此错误

but when i run i get this error

    x, y = eval(input())
  File "<string>", line 1
    1,2

           ^
SyntaxError: unexpected EOF while parsing

我做错了什么？

im使用python 3

im using python 3

推荐答案

对于此类事情，请勿使用 eval 。不可能以用户无法破坏（错误或故意）破坏的方式来编写它。改为执行以下操作：

You should not use eval for things like this. It will be impossible to write it in a way such that the user can't break it (by mistake or on purpose). Do something like this instead:

data = input()
m, b = (int(var) for var in data.split(","))

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