auto save

1.py

+def new_input():
+    total=[]
+    while True:
+        money=input("请输入（q提出）")
+        if money=='q':
+            break
+        else:
+            try:
+                money=int(money)
+            except:
+                print("请重新输入一个数字")
+            else:
+                total.append(money)
+            finally:
+                print("-"*30)
+    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"+str(pay)+"元 扫码还是现金")
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