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⚡️ Speed up function find_common_tags by 18,960% #227

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⚡️ Speed up function find_common_tags by 18,960% #227

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13 changes: 13 additions & 0 deletions common_tags.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
from __future__ import annotations


def find_common_tags(articles: list[dict[str, list[str]]]) -> set[str]:
if not articles:
return set()

# Using set intersection to find common tags
common_tags = set(articles[0]["tags"])
for article in articles[1:]:
common_tags.intersection_update(article["tags"])

return common_tags
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