mirror of
https://github.com/TheAlgorithms/Python.git
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c0d88d7f71
* #3847 fix handling of non-ASCII characters in swap_case * #3847 remove unused regex * Fix formatting (with black) Fixes: #3847 * Add type hints for `swap_case` function Co-authored-by: Frank Schmitt <frankschmitt@gmx.de> Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
38 lines
895 B
Python
38 lines
895 B
Python
"""
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This algorithm helps you to swap cases.
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User will give input and then program will perform swap cases.
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In other words, convert all lowercase letters to uppercase letters and vice versa.
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For example:
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1. Please input sentence: Algorithm.Python@89
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aLGORITHM.pYTHON@89
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2. Please input sentence: github.com/mayur200
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GITHUB.COM/MAYUR200
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"""
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def swap_case(sentence: str) -> str:
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"""
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This function will convert all lowercase letters to uppercase letters
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and vice versa.
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>>> swap_case('Algorithm.Python@89')
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'aLGORITHM.pYTHON@89'
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"""
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new_string = ""
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for char in sentence:
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if char.isupper():
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new_string += char.lower()
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elif char.islower():
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new_string += char.upper()
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else:
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new_string += char
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return new_string
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if __name__ == "__main__":
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print(swap_case(input("Please input sentence: ")))
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