Update app.py

app.py

@@ -150,8 +150,13 @@ SUCCESSFUL EXAMPLES OF THE {selected_angle} ANGLE:
 
     email_instruction += ".\n\n"
 
-    # Agregar ejemplos de la fórmula
-    examples_to_use = selected_formula['examples'][:min(2, len(selected_formula['examples']))]  # Reduced to only 2 examples
+    # Agregar ejemplos de la fórmula - MODIFIED to select random examples
+    if len(selected_formula['examples']) > 2:
+        # Select 2 random examples if there are more than 2 available
+        examples_to_use = random.sample(selected_formula['examples'], 2)
+    else:
+        # Use all available examples if there are 2 or fewer
+        examples_to_use = selected_formula['examples']
 
     email_instruction += "FORMULA EXAMPLES TO STUDY (ONLY FOR STRUCTURE, NOT CONTENT):\n"
     for i, example in enumerate(examples_to_use, 1):