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upper.py
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defupper(word: str) ->str:
"""
Convert an entire string to ASCII uppercase letters by looking for lowercase ASCII
letters and subtracting 32 from their integer representation to get the uppercase
letter.
>>> upper("wow")
'WOW'
>>> upper("Hello")
'HELLO'
>>> upper("WHAT")
'WHAT'
>>> upper("wh[]32")
'WH[]32'
"""
return"".join(chr(ord(char) -32) if"a"<=char<="z"elsecharforcharinword)
if__name__=="__main__":
fromdoctestimporttestmod
testmod()
