save project

func.py

@@ -5,6 +5,14 @@ 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)
+        finally:
+            print('-'*30)
         total.append(unit)
     print(total)