auto save

func.py

+def sd():
+    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
+d=sd()
+def sun(money):
+    s=0
+    for i in money:
+        s=s+i
+    print("一共消费"+str(s)+"元")
+sun(d)