a8c5616857
* Simplify the capitalize function using ASCII arithmetic to make the algorithm five times faster. * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Update capitalize.py * Update capitalize.py --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Maxim Smolskiy <mithridatus@mail.ru>
28 lines
637 B
Python
28 lines
637 B
Python
def capitalize(sentence: str) -> str:
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"""
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Capitalizes the first letter of a sentence or word.
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>>> capitalize("hello world")
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'Hello world'
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>>> capitalize("123 hello world")
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'123 hello world'
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>>> capitalize(" hello world")
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' hello world'
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>>> capitalize("a")
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'A'
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>>> capitalize("")
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''
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"""
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if not sentence:
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return ""
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# Capitalize the first character if it's a lowercase letter
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# Concatenate the capitalized character with the rest of the string
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return sentence[0].upper() + sentence[1:]
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if __name__ == "__main__":
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from doctest import testmod
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testmod()
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