auto save

diy.py

-with open(r"C:\Users\Administrator\Documents\lesson13-1\sales_list.txt") as file:
\ No newline at end of file
+with open(r"C:\Users\Administrator\Documents\lesson13-1\sales_list.txt",'r',encoding='utf-8') as file:
+    a = file.readlines()
+
+fsum=[]
+for i in a:
+    d = i.split()
+    sum = 0
+    for j in d[1:]:
+        sum+=int(j)
+    r = d[0] + str(sum) + '\n'
+    fsum.append(r)
\ No newline at end of file