auto save

func.py

-total = []
-while True:
+def func():   
+    total = []
+    while True:
         unit= input("请输入：")
         if unit== 'q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print('请输入数字')
+            else:
                 total.append(unit)
-print(total)
\ No newline at end of file
+    return total
+new_total=func()  #调用func函数，将返回值保存到new_total中。
+print(new_total)
+def sumprice(lst):
+    count=0
+    for i in lst:
+        count=count+i
+    return count
+price=sumprice(new_total)
+print(price)