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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. n = input()
    2. li = "1234567890abcdefghijkelmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
    3. for i in range(len(n)-1):
    4. if n[i]==n[i+1] and n[i] in li :
    5. print(n[i])
    6. break
    7. else:
    8. print(-1)