auto save

o.py

+def new_input():
+    total = []
+    while True:
+        unit = input("请输入：")
+        if unit == "q":
+            break
+        try:
+            a=int(unit)
+        except:
+            print("请重新输入：")
+        else:
+            total.append(a)
+    return total
+b=new_input()    
+def sum(m):
+    count=0
+    for i in m:
+        count=count+i
+    print("您一共消费"+str(count)+"元")
+sum(b)
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