auto save

func.py

+def a():
+    total = []
+    while True:
+        unit=input("请输入：")
+        if unit=="q":
+            break
+        else:
+            try:
+                unit=int(unit)
+            except:
+                print("请输入数字")
+            else:
+                total.append(unit)
+    return(total)
+def sum(money):
+    count=0
+    for i in money:
+        count=count+i
+    return count
+price=a()
+pay=sum(price)
+print('您一共消费'+str(pay))        
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