save project

diy1.py

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