python: read a file on each line and store only ints into list

Question

I read a file which looks like this:

1
2
3
4

Then I read this lines into list:

['1\n', '2\n', '3\n', '4']

My question is, how and what is the best way to get ints and store them into list, without any strings or this '\\n'?

Answer 1

You can do it as:

with open(filename, 'r') as f:
    nums = [int(i.strip()) for i in f.readlines()]

>>> print nums
[1,2,3,4]