Fixes : TheAlgorithms#6551

Author: Moddy2024

machine_learning/xgboostclassifier.py

@@ -6,7 +6,7 @@
 from xgboost import XGBClassifier
 
 
-def data_handling(data: list) -> tuple:
+def data_handling(data: list) -> tuple[int,str]:
     # Split dataset into train and test data
     x = data["data"]  # features
     y = data["target"]