save project

diy3.py

+def new_input():
+    total = []
+    while True:
+        print("-"*30)
+        unit = input('请输入：')
+        if unit=='q':
+            break
+        try:
+            unit = int(unit)
+        except:
+            print("输入有误，你需要输出数字价格")
+        else:
+            total.append(unit)
+    return total
+def sum(money):
+    count = 0
+    for i in money:
+        count=count+i
+    return count
+result = new_input()
+print("输入的菜品价格是：",result)
+sumprice = sum(result)
+print("你今天消费:",sumprice,"美元")
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