save project

func.py

+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)
+            finally:
+                print('=*21')
+    return total
+def sum(money):
+    count=0
+    for i in money: 
+        count+count+1
+    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？")