save project

func.py

@@ -5,6 +5,13 @@ def nem():
         if unit== 'q':
         if unit== 'q':
             break
             break
         else:
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("重新输入一个数")
+            else:
                 total.append(unit)
                 total.append(unit)
+            finally:
+                print("-"*30)
     print(total)
     print(total)
 nem()
 nem()
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