save project

diy.py

 with open(r'C:\Users\xc\Desktop\sales_list.txt.txt','r',encoding='utf-8') as file:
     a=file.readlines()
-file_sum=[]
 for i in a:
     data=i.split()
     sum=0
     for sales in data[1:]:
         sum=sum+int(sales)
         r=data[0]+str(sum)
-    file_sum.append(r)
-with open(r'C:\Users\xc\Desktop\sales_list.txt.txt','a',encoding='utf-8') as file:
-    file.writelines(file_sum)
\ No newline at end of file
+    print(r)
\ No newline at end of file