[Tutor] integers and float

[MIG]

Greg,

Thank you for your comments about formats. I'll try it.

I haven't thought on the rounding because the code only uses cents (two
digits). But you gave me a good point for cases such as sale tax.

Thank you,

Max 


--- Gregor Lingl <glingl@aon.at> wrote:
> I  didn't recognize, that your expression doesn't work correctly,
> 
> 1.) because the parentheses are not balanced
> 
> >
> >str(float(int((Variable_for_money)*100)/100
> >
> 
> so it should read (I presume)
> 
>     str(float(int((Variable_for_money)*100))/100)
> 
> but 2.) it doesn't round properly:
> 
>  >>> Variable_for_money=15.239
>  >>> Variable_for_money
> 15.239000000000001
>  >>> str(float(int((Variable_for_money)*100))/100)
> '15.23'
> 
> And this comes so:
> 
>  >>> Variable_for_money*100
> 1523.9000000000001
>  >>> int(Variable_for_money*100)
> 1523
>  >>> float(int(Variable_for_money*100))
> 1523.0
>  >>> float(int(Variable_for_money*100))/100
> 15.23
>  >>> str(float(int(Variable_for_money*100))/100)
> '15.23'
>  >>>
> 
> Gregor
> 
> 


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