Add Title Case Conversion

strings/title.py

@@ -0,0 +1,57 @@
+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()