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  1. from itertools import groupby
  2.  
  3. def split_case(s):
  4.     cats = str.isupper, str.islower, lambda x: True
  5.     cat = lambda c: next(i for i, f in enumerate(cats) if f(c))
  6.  
  7.     return [''.join(g) for _, g in groupby(s, cat)]
  8.  
  9. print(split_case('FUCK you!!!11!'))
Success #stdin #stdout 0.03s 9984KB
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stdin
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Standard input is empty
stdout
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['FUCK', ' ', 'you', '!!!11!']
https://ideone.com/acQWyg
language:
Python 3 (python  3.9.5)
created:
7 years ago
visibility:
public

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