save project

func.py

@@ -5,6 +5,12 @@ def a():
         if unit== 'q':
         if unit== 'q':
             break
             break
         else:
         else:
-            total.append(unit)
-    print(total)
+            try:
+               unit=int(unit) 
+            except:
+                print("请重新输入一个数字")
+            else:
+               total.append(unit)
+            print("-"*30)
+        print(total)
 a()
 a()
\ No newline at end of file