auto save

3.py

+def add(x,y):
+    x=2
+    
+    return x
+print add(2)
\ No newline at end of file

func.py

-total = []
-while True:
-    unit=input("请输入：")
+def new_input():
+    total = []
+    while True:
+        unit=input("请输入单价(q退出)：")
         if unit== 'q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print('重新输入一个数字')
+            else:
                 total.append(unit)
-print(total)
+            finally:
+                print('/'*30)
+    return total
+print(new_input)
 
    
\ No newline at end of file