save project

func.py

 total = []
 total = []
-while True:
-    unit= input("请输入：")
-    if unit== 'q':
-        break
-    else:
+try:
+    unit= input("请输入一个整数")
+except:
+    print("输入错误,请重新输入一个数")
+    
+else:
     total.append(unit)
     total.append(unit)
     print(total)
     print(total)
+    print("_"*30)
\ No newline at end of file