save project

func.py

+def newinput():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            return total
+            break
+        else:
+            try:
+                total.append(int(unit))
+            except:
+                print("运行错误，请重新输入")
+total=newinput()
+def sum(m):
+    price=0
+    for i in m:
+        price=price+i
+    return price
+p=sum(total)        
+print("您一共消费了"+str(p)+"元！扫码还是现金呢？")
\ No newline at end of file