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  1. Prepare
  2. Python
  3. Regex and Parsing
  4. Group(), Groups() & Groupdict()
  5. Discussions

Group(), Groups() & Groupdict()

  • singhshrajan
     + 0 comments
    1. import re
      1. ser = re.search(r'([a-zA-Z0-9])\1',input())
    3. if ser:
    4. print(ser.group()[0])
    5. else:
    6. print(-1)