save project

.......................pppy.py

-with open(r'C:\Users\CM\Desktop\sales_list.txt','r',encoding='utf-8')
-as file:
+with open(r'C:\Users\CM\Desktop\sales_list.txt','r',encoding='utf-8')as file:
     a=file.readlinds()
-
+final_sum[]
 for i in a:             #用for...in...把每一行的数据遍历
     date=i.split()      #把字符串切分成更细的字符串
     #print(data[1:])
     sum=0
-    for sales in data[1:]：#遍历列表中第1个数据和之后的数据
+    for sales in data[1:]：
         sum=sum+int(sales)
     reult=data[0]+str(sum)
-    print(sum)
\ No newline at end of file
+    final_sum.append(result)
+with open(r'C:\Users\CM\Desktop\sales_list.txt','r',encoding='utf-8')as file:
+    file.writelines(final_sum)
+    
\ No newline at end of file