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  1. def checkArg(arg: str| list[str]) -> str:
  2.     match arg:
  3.         case str():
  4.             return 'str'
  5.         case [*items] if all(isinstance(item, str) for item in items):
  6.             return 'list(str)'
  7.         case _:
  8.             return "unmatched"
  9.  
  10. def test(arg: str|list[str]):
  11.     print(f'{arg=!r}: {checkArg(arg)}')
  12.  
  13. test(0)
  14. test('This should match')
  15. test(['This','should','match'])
  16. test(['This','should',0,'not','match'])
Success #stdin #stdout 0.1s 14116KB
comments (?)
stdin 
Standard input is empty
stdout 
arg=0: unmatched
arg='This should match': str
arg=['This', 'should', 'match']: list(str)
arg=['This', 'should', 0, 'not', 'match']: unmatched
https://ideone.com/pHVPRI
language:
Python 3 (python  3.12)
created:
1 year ago
visibility:
secret

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