[Tutor] How do fix this error?

[Poor Yorick]

Nathan Pinno wrote:

>     guess = float(raw_input(a," + ",b," = "))
> TypeError: [raw_]input expected at most 1 arguments, got 4
>  

>     guess = float(raw_input(a," + ",b," = "))
>     return answer, guess
>  
hint:  how many arguments are you passing to raw_input here?

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Poor Yorick