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27 lines
657 B
Python
27 lines
657 B
Python
def lower(word: str) -> str:
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"""
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Will convert the entire string to lowercase 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, obtaining the integer representation
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# and checking to see if the character is a capital letter.
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# If it is a capital letter, it is shifted by 32, making it a lowercase 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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