save project

Untitled-1.py.py

@@ -5,6 +5,12 @@ def new_input():
         if unit== "q":
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("请输入一个数字")
+            else:
                 total.append(unit)
+            print("_"*30)
         print(total)
 new_input()