auto save

fun.py

+def price():
+    total = []
+    while True:
+        money = input("请输入你菜品的价格，输入q退出")
+        if money == 'q':
+            break
+        else:
+            try:
+                money = int(money)
+            except:
+                print('请输入正确的数字')
+            else:
+                total.append(money)
+    return total
+
+def add(fee):
+    count = 0
+    for i in fee:
+        count += i
+    return count
+
+a = price()
+food_fee = add(a)
+print('这餐总共消费金额%d' %food_fee)