[Numpy-discussion] exec: bad practice?

[John [H2O]]

Hello,

I have a bit of code where I create arrays with meaningful names via:

meat = ['beef','lamb','pork']
cut = ['ribs','cutlets']

for m in meat:
   for c in cut:
         exec("consumed_%s_%s = np.zeros((numxgrid,numygrid,nummeasured))" %
(m,c))

Is this 'pythonic'? Or is it bad practice (and potentially slow) to use the
'exec' statement?
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