add answers for may-june 2025 + november-december 2025 pyqs for unit 6 (Reinforcement Learning)

Codes/Code-3b.md

@@ -38,6 +38,7 @@ from sklearn.metrics import confusion_matrix, classification_report
 # Fashion MNIST is built into Keras, downloads automatically on first run
 (X_train, y_train), (X_test, y_test) = tf.keras.datasets.fashion_mnist.load_data()
 
+# --- Offline alternative (comment out tf.keras line above and use this instead) ---
 # import pandas as pd
 # train_df = pd.read_csv('fashion-mnist_train.csv')
 # test_df  = pd.read_csv('fashion-mnist_test.csv')

README.md

@@ -59,6 +59,8 @@ This repository gathers comprehensive material for the SPPU Computer Engineering
 
 ### [IN-SEM PYQ Answers](Notes/IN-SEM%20PYQ%20Answers/)
 
+### [END-SEM PYQ Answers](Notes/END-SEM%20PYQ%20Answers/)
+
 ### [Question Bank](DL%20-%20Question%20Bank.pdf)
 
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