Update app.py

app.py

@@ -24,7 +24,8 @@ def show_images(image_name):
     return image_name
 
 def concate_image(img_input):
-    return(type(img_input))
+    img_name_lst = img_input.split(',')
+    return(img_name_lst)
     
     
 title = "Compare the Graphs"