save project

func.py

@@ -4,5 +4,10 @@ while True:
     if unit== 'q':
         break
     else:
+        try:
+            unit=int(unit)
+        except:
+            print("请重新输入一个数字")
+        else:
             total.append(unit)
 print(total)
\ No newline at end of file