auto save

func.py

-total = []
-while True:
-    unit= input("请输入：")
-    if unit== 'q':
+def new_input():
+    total=[]
+    while True:
+        unit = input('请输录（q退出）:')
+        if unit=='q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("请重新输录一个数字")
+            else:
                 total.append(unit)
-print(total)
\ No newline at end of file
+            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("您一共花费"+str(pay)+"元，扫码还是现金？？？？？？？？？")
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