save project

makcoo.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)
+            finally:
+                print("======================")
+    return total
+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