TypeError: can't multiply sequence by non-int of type 'tuple'

[simiasaro at gmail.com]

On Friday, February 21, 2014 1:31:53 AM UTC-5, Jaydeep Patil wrote:
> HI,
> 
> 
> 
> I have a tuple. I need to make sqaure of elements of tuple and after that i want add all suared tuple elements for total. When i trying to do it, below error came.
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> Code:
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> seriesxlist1 = ((0.0,), (0.01,), (0.02,), (0.03,), (0.04,), (0.05,), (0.06,), (0.07,), (0.08,), (0.09,), (0.1,), (0.11,))
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> x2 = [x * x for x in seriesxlist1];
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> Error:
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> Traceback (most recent call last):
> 
>   File "<pyshell#188>", line 1, in <module>
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>     x2 = [x * x for x in seriesxlist1];
> 
> TypeError: can't multiply sequence by non-int of type 'tuple'
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> Please suggest me solution.

You may want to identify which of the tuple value you want to multiply, especially since the tuple has only one value:
x2 = [x[0] * x[0] for x in seriesxlist1]

Then, you can add the values in the list:
sum(x2)

or the quickest way:
sum(x[0] * x[0] for x in seriesxlist1)