save project

func.py

-total = []
-while True:
+def new_input():
+    total = []
+    while True:
         unit= input("请输入：")
         if unit== 'q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print('请重新输入一个数字')
+            else:
                 total.append(unit)
-print(total)
\ No newline at end of file
+            finally:
+                print('========================')
+    return total
+
+def sum(money):
+    count=0
+    for i in money:
+        count+=1
+    return count
+price=new_input()
+pay=sum(price)
+print('你一共消费了'+str(pay)+'元！扫码还是现金呢？')