auto save

dgr.py

+file1=open(r'C:\Users\Administrator\test.txt','w',encoding='utf-8')
+file1.write('小兰：12本')
\ No newline at end of file

func.py

-total = []
-while True:
-    unit= input("请输入：")
-    if unit== 'q':
+def new_input():
+    total=[]
+    while True:
+        money=input('q退出')
+        if money=='q':
             break
         else:
-        total.append(unit)
-print(total)
\ No newline at end of file
+            try:
+                money=int(money)
+            except:
+                print('请输数字')   
+            else:
+                total.append(money)
+            finally:
+                print("====================")
+    return total
+
+def sum(money):
+    count=0
+    for i in money:
+        count=count+i
+    return count
+price = new_input()
+pay=sum(price)
+print("您一共消费了"+str(pay)+"元！您是刷卡还是现金")     
\ No newline at end of file