[Tutor] Converting string or list to sum

Danny Yoo dyoo at hkn.eecs.berkeley.edu
Thu Jan 29 14:41:42 EST 2004

On Thu, 29 Jan 2004, Iain wrote:

> If I have a sum as a string (e.g. '2+3') or in a list (e.g. [2,'+',3]),
> how can I get the result of the sum?

Hi Iain,

If we had a function that takes three arguments:

    calculate(left_hand_side, operator, right_hand_side)

then we might be able to say something like:

>>> calculate(2, '+', 3)
>>> calculate(42, '-', 43)

Is this the sort of thing that you're asking?

Talk to you later!

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