Add Title Case Conversion (#10439)

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added more test case and type hint

[pre-commit.ci] auto fixes from pre-commit.com hooks

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updated naming convention
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Aakash Giri 2023-10-14 21:47:11 +05:30 committed by GitHub
parent 212cdfe36c
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strings/title.py Normal file
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def to_title_case(word: str) -> str:
"""
Converts a string to capitalized case, preserving the input as is
>>> to_title_case("Aakash")
'Aakash'
>>> to_title_case("aakash")
'Aakash'
>>> to_title_case("AAKASH")
'Aakash'
>>> to_title_case("aAkAsH")
'Aakash'
"""
"""
Convert the first character to uppercase if it's lowercase
"""
if "a" <= word[0] <= "z":
word = chr(ord(word[0]) - 32) + word[1:]
"""
Convert the remaining characters to lowercase if they are uppercase
"""
for i in range(1, len(word)):
if "A" <= word[i] <= "Z":
word = word[:i] + chr(ord(word[i]) + 32) + word[i + 1 :]
return word
def sentence_to_title_case(input_str: str) -> str:
"""
Converts a string to title case, preserving the input as is
>>> sentence_to_title_case("Aakash Giri")
'Aakash Giri'
>>> sentence_to_title_case("aakash giri")
'Aakash Giri'
>>> sentence_to_title_case("AAKASH GIRI")
'Aakash Giri'
>>> sentence_to_title_case("aAkAsH gIrI")
'Aakash Giri'
"""
return " ".join(to_title_case(word) for word in input_str.split())
if __name__ == "__main__":
from doctest import testmod
testmod()