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)
+            finally:
+                print("-"*30)
+    return total
+
+def sum(money):
+    count=0
+    for i in money:
+        count=count+i
+    return count
+price=a()
+pay=sum(price)
+print("您一共消费了"+str(pay)+"元")
+