save project

diy.py

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