Update app.py

app.py

@@ -53,9 +53,9 @@ def inputter(date_str = None, item_name = None, add = "Show"):
         remove((cur_date, item_name))
 
 
-    file = open('main/list.txt', 'w')    
-    file.write(string_rep(pq))  
-    file.close()  
+    with open('list.txt', 'w') as file:
+
+        file.write(string_rep(pq))  
 
     return string_rep(pq)