save project

diy.py

 with open(r'C=\Users\CM\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')
 with open(r'C=\Users\CM\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')
     a=fili.readlines()
     a=fili.readlines()
+final_sum=[]
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()
     sum=0
     sum=0
     for sales in data[1:]:
     for sales in data[1:]:
         sum=sum+int(sales)
         sum=sum+int(sales)
-    result=data[0]+str(sum)
-    print(result)
+    result=data[0]+str(sum)+'\n'
+with open(r'C=\Users\CM\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')
\ No newline at end of file
+    file.writelines(final_sum)
\ No newline at end of file