save project

func.py

 def again() :
 def again() :
     total = []
     total = []
     while True:
     while True:
-        unit= input("请输入：")
+        unit= input("请输入(q退出)：")
         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(total)
     print(total)
 again()
 again()
\ No newline at end of file