save project

func.py

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