Re: indexing lists/arrays question

[Stefan Behnel]

a, 13.05.2010 16:36:

this must be easy but its taken me a couple of hours already

i have

a=[2,3,3,4,5,6]

i want to know the indices where a==3 (ie 1 and 2)

  indices = [ i for i,item in enumerate(a) if item == 3 ]

then i want to reference these in a

  print [ a[i] for i in indices ]

Stefan

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