save project

2.py

@@ -5,7 +5,17 @@ def new_input():
         if unit == 'q':
         if unit == 'q':
             break
             break
         else:
         else:
+            try:
+                unit=int(unit)
+            except:
+                print('请重新输入一个数字:')
+            else:
                 total.append(unit)
                 total.append(unit)
+            print("-"*30)
+        print(toyal)
+new_input()
+
+            
     print(toyal)
     print(toyal)
 new_input()
 new_input()