[Python] Line Separator Python \r\n

We have an English-Latin dictionary in our hands, that is, a list of words in English and their translations into Latin (there may be several translations) in the form of a file with the following contents:

apple - malum, pomum, popula
fruit - baca, bacca, popum
punishment - malum, multa


It is necessary to write a script that reads a dictionary from files using the transmitted paths and creates a Latin-English dictionary from the dictionary. The result should be displayed on the screen.

So for the line described above, the screen should display:

baca - fruit
bacca - fruit
malum - apple, punishment
multa - punishment
pomum - apple
popula - apple
popum - fruit


If different files contain different translations for the same words, multiple translations must be combined, leaving only unique words.

And there are autotests.: There is a line there: student_output_lines = result.stdout.decode().strip() I did everything a long time ago, but the second day I can't get rid of \r

When comparing the two outputs (mine == necessary), I get an error: E AssertionError: assert 'baca - fruit\r\nbacca - fruit\r\nmalum - apple, punishment\r\nmulta - punishment\r\npomum - apple\r\npopula - apple\r\npopum - fruit' == 'baca - fruit\nbacca - fruit\nmalum - apple, punishment\nmulta - punishment\npomum - apple\npopula - apple\npopum - fruit'

My code:

import sys
for filename in sys.argv[1:]:
with open(filename, 'r', encoding='utf-8') as f:
res_dict = {}
for s in f.readlines():
cur_word = s.split()[0]
translations = s.strip().replace(',', '').split()[2:]
for i in translations:
if i in res_dict:
res_dict.append(cur_word)
else:
res_dict.setdefault(i, [cur_word])
res = []
for k, v in sorted(res_dict.items()):
res.append(k + ' - ' + ', '.join(v))
print('\n'.join(res).replace('\r\n', ''))


The input files are in plain text format.txt:

apple - malum, pomum, popula
fruit - baca, bacca, popum
punishment - malum, multa


That is, I always have this disgusting \r, no matter what I do and replace and do everything I can. In the pycharm settings, I also changed the linear separator to /n, changed it both in the project (bottom right) and in settings -> code style -> linear separator. The problem always arises as soon as I add \n anywhere in the code. Help please!

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