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- import re
- youtube_regex = re.compile(r"<iframe.*https?://(?:www\.)?youtube\.com/embed/(\w+).*</iframe>")
- def main():
- print(parse(input("HTML: ")))
- def parse(s):
- video_id = youtube_regex.search(s)
- if video_id:
- video_id = video_id.groups()[0]
- else:
- return None
- return f"https://youtu.be/{video_id}"
- if __name__ == "__main__":
- main()
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