save project

diy.py

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