save project

2.py

@@ -5,6 +5,12 @@ def tunc():
         if unit== 'q':
             break
         else:
-            total.append(unit)
+            try:
+                unit=int(unit)
+            except:    
+                print('重输')
+            else:
+                total.append(unit)
+            print('_'*30)
     print(total)
 tunc()
\ No newline at end of file