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Pyupgrade to Python 3.9 (#4718)

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* Pyupgrade to Python 3.9

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
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Christian Clauss
2021-09-07 13:37:03 +02:00
committed by GitHub
parent 5d5831bdd0
commit cecf43d648
142 changed files with 523 additions and 530 deletions
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compression/huffman.py
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@ -30,7 +30,7 @@ def parse_file(file_path):
if not c:
break
chars[c] = chars[c] + 1 if c in chars.keys() else 1
return sorted([Letter(c, f) for c, f in chars.items()], key=lambda l: l.freq)
return sorted((Letter(c, f) for c, f in chars.items()), key=lambda l: l.freq)
def build_tree(letters):