Update app.py

app.py

@@ -84,7 +84,10 @@ def draw_grid(data):
         else:  # Horizontal road
             for x in range(min(start[0], end[0]), max(start[0], end[0]) + 1):
                 ax.add_patch(plt.Rectangle((x, nrows-start[1]-1), 1, 1, color=road['color']))
-        
+
+
+    # Reverse the y-axis numbers
+    ax.invert_yaxis()            
     # Setting labels and title
     ax.set_xlabel('Columns')
     ax.set_ylabel('Rows')