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+1 vote
in Python by (45.3k points)

I am not sure if I can make myself clear but will try.

I have a tuple in python which I go through as follows (see code below). While going through it, I maintain a counter (let's call it 'n') and 'pop' items that meet a certain condition.

Now of course once I pop the first item, the numbering all goes wrong, how can I do what I want to do more elegantly while removing only certain entries of a tuple on the fly?

for x in tupleX:


  if (condition):



1 Answer

0 votes
by (16.8k points)
edited by

As DSM mentions, tuple's are immutable, but even for lists, a more elegant solution is to use filter:

tupleX = filter(str.isdigit, tupleX)

or, if condition is not a function, use a comprehension:

tupleX = [x for x in tupleX if x > 5]

if you really need tupleX to be a tuple, use a generator expression and pass that to tuple:

tupleX = tuple(x for x in tupleX if condition)

To know more about this you can have a look at the following video:-

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