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

Group(), Groups() & Groupdict()

  • devdubey2002
     + 1 comment
    import re 
a = re.findall(r"([A-Za-z0-9])\1+",
input()) 
if a: 
    print(a[0]) 
else: 
    print(-1)