Il giorno giovedì 30 settembre 2021 alle 07:11:28 UTC+2 anila...@gmail.com ha
scritto:
> I want to write a python calculator program that has different methods to
> add, subtract, multiply which takes 2 parameters. I need to have an execute
> method when passed with 3 parameters, should call respective method and
> perform the operation. How can I achieve that?
>
>
>
> class calc():
> def __init__(self,a,b):
> self.a=a
> self.b=b
>
> def ex(self,fun):
> self.fun=fun
> if fun=="add":
> self.add()
>
> def add(self):
> return self.a+self.b
> def sub(self):
> return self.a-self.b
> def mul(self):
> return self.a*self.b
> def div (self):
> return self.a/self.b
> def execu(
> obj1=calc()
> obj1.execu("add",1,,2)
For example:
| def ex(self, fun):
| getattr(self, fun)()
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