Update xgboostregressor.py

Author: Moddy2024

machine_learning/xgboostregressor.py

@@ -1,20 +1,11 @@
-# -*- coding: utf-8 -*-
-"""xgboostregressor.ipynb
-
-Automatically generated by Colaboratory.
-
-Original file is located at
-    https://colab.research.google.com/drive/1UrXXhxQNEI3rL3182GyZFCqPqyhE1c5g
-"""
-
 # XGBoost Regressor Example
 from sklearn.datasets import load_boston
 from xgboost import XGBRegressor
 from sklearn.metrics import mean_absolute_error, mean_squared_error
 from sklearn.model_selection import train_test_split
 
 
-def main():
+def main() -> None:
 
     """
     The Url for the algorithm
@@ -46,4 +37,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
+    main()