Add ML intuitions py file

app.py

@@ -253,7 +253,7 @@ def main():
             """)
 
     with st.expander("🎯 See Class Summary"):
-        class_counts = y.value_counts().sort_index()
+        class_counts = df["target"].value_counts().sort_index()
         st.markdown(f"""
         - **Class 0 (Malignant)**: {class_counts[0]} samples  
         - **Class 1 (Benign)**: {class_counts[1]} samples