auto save

sss.py

-with open(r"c:\Users\Administrator\Desktop\sales_list.txt",'r',encoding='utf-8') as file
-    a=file.readlies()
+with open(r"c:\Users\Administrator\Desktop\sales_list.txt",'r',encoding='utf-8') as file:
+    a=file.readlines()
 
 
+finel_sum=[]
 for i in a:
 for i in a:
-    data=i.split()
-    with open(r"c:\Users\Administrator\Desktop\sales_list.txt",'r',encoding='utf-8') as file
+    data=[]
+    sum=0
+    for sales in data[1:]:
+        sum=sum+data(sales)
+        result = data[0]+str(sum)+'\n'
+        finel_sum.append(result)
+
+
+    
+with open(r"c:\Users\Administrator\Desktop\sales_list.txt",'r',encoding='utf-8') as file:
     a=file.writelines(finel_sum)
     a=file.writelines(finel_sum)
\ No newline at end of file