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import re a=input() m=re.search(r'([a-z A-Z 0-9])\1', a) print(m.groups()[0]) if m else print(-1)
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Group(), Groups() & Groupdict()
You are viewing a single comment's thread. Return to all comments →
import re a=input() m=re.search(r'([a-z A-Z 0-9])\1', a) print(m.groups()[0]) if m else print(-1)