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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

Diff for: strings/title.py

@@ -18,18 +18,19 @@ def convert_word(word: str) -> str:
     """
     Convert the first character to uppercase if it's lowercase
     """
-    if 'a' <= word[0] <= 'z':
+    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:]
+        if "A" <= word[i] <= "Z":
+            word = word[:i] + chr(ord(word[i]) + 32) + word[i + 1 :]
 
     return word
 
+
 def to_title_case(input_str: str) -> str:
     """
     Converts a string to title case, preserving the input as is
@@ -50,9 +51,10 @@ def to_title_case(input_str: str) -> str:
     words = input_str.split()
     title_case_str = [convert_word(word) for word in words]
 
-    return ' '.join(title_case_str)
+    return " ".join(title_case_str)
+
 
 if __name__ == "__main__":
     from doctest import testmod
 
-    testmod()
+    testmod()