python - Iterate over a tuple of lists -

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• how can iterate through 2 lists in parallel? 6 answers

i have tuple of lists. each list in tuple has same number of elements. how can iterate on in loop

ex:

tuplelist = ([1,2,3], ['label1', 'label2', 'label3']) (val, label) in <something>:     print val, label 

should output:

1, label1 2, label2 3, label3 

note: list of tuples contain more 2 lists.

ps: have opted duplicate, please check responses correct solution. it's different iterating through 2 separate lists.

you can use zip , flatten tuple_list asterix syntax.

tuple_list = ([1,2,3], ['label1', 'label2', 'label3']) val, label in zip(*tuple_list):      print(val, label) 

if you're still in python 2.7:

import itertools tuple_list = ([1,2,3], ['label1', 'label2', 'label3']) val, label in itertools.izip(*tuple_list):      print val, label