How to get a specifict part of a string inside a list?

Question

I have a List :

Old_list =['orders_ce_deduped.01.csv','orders_ce_deduped.02.csv']

I need to get the 01 and 02 part and store that into another list using python

new_list = ['01','02']

Answer 1

If your CSV file names are consistent like the example('~~~.number.csv')

this will probably work

new_list = [i.split('.')[1] for i in Old_list]

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