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

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

Author: pre-commit-ci[bot]

strings/split.py

@@ -21,17 +21,23 @@ def split(string: str, separator: str = " ") -> list:
 
     for index, char in enumerate(string):
         if char == separator:
-            split_words.append(string[last_index:index])  # Add substring between separators
+            split_words.append(
+                string[last_index:index]
+            )  # Add substring between separators
             last_index = index + 1
-        elif index + 1 == len(string):  # If at the last character, handle trailing separator
+        elif index + 1 == len(
+            string
+        ):  # If at the last character, handle trailing separator
             split_words.append(string[last_index:])  # Add the last part of the string
 
     # If the string ends with a separator, ensure an empty string is added
     if string and string[-1] == separator:
-        split_words.append('')
+        split_words.append("")
 
     return split_words
 
+
 if __name__ == "__main__":
     from doctest import testmod
+
     testmod()