auto save

func.py

-total = []
-while True:
-    unit= input("请输入：")
-    if unit== 'q':
+def new_input():
+    total = []
+    while True:
+        unit = input('请输入（q退出）：')
+        if unit == 'q':
             break
         else:
+            try:
+                unit = int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
                 total.append(unit)
-print(total)
\ No newline at end of file
+            finally:
+                print("=====================")
+    return total
+
+def sum(money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count
+
+print("您一共消费了" + str(sum(new_input())) + "元！扫码还是现金呢？")
\ No newline at end of file