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72fe611462
* update lower and upper
* fixup! Format Python code with psf/black push
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
27 lines
627 B
Python
27 lines
627 B
Python
def lower(word: str) -> str:
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"""
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Will convert the entire string to lowecase letters
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>>> lower("wow")
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'wow'
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>>> lower("HellZo")
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'hellzo'
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>>> lower("WHAT")
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'what'
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>>> lower("wh[]32")
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'wh[]32'
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>>> lower("whAT")
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'what'
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"""
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# converting to ascii value int value and checking to see if char is a capital
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# letter if it is a capital letter it is getting shift by 32 which makes it a lower
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# case letter
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return "".join(chr(ord(char) + 32) if "A" <= char <= "Z" else char for char in word)
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if __name__ == "__main__":
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from doctest import testmod
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testmod()
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