Update visualization.py

visualization.py

@@ -56,6 +56,9 @@ class Visualization:
         ax.axhline(y=80, color='#3AB0FF', linestyle=':', linewidth=1.5, label=f'Engagement Threshold: ≥ 80%')
         ax.axhline(y=attendance_avg_stats, color='#005288', linestyle='--', linewidth=1.5, label=f'Attendance Average: {attendance_avg_stats}%')
         ax.axhline(y=engagement_avg_stats, color='#3AB0FF', linestyle='--', linewidth=1.5, label=f'Engagement Average: {engagement_avg_stats}%')
+        ax.fill_between(x, 90, 100, alpha=0.1, color='#005288', label='Attendance Goal')
+        ax.fill_between(x, 80, 89, alpha=0.1, color='#3AB0FF', label='Engagement Goal')
+        
 
         ax.set_xlabel('Student')
         ax.set_ylabel('Percentage (%)')