auto save

diy.py

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