save project

diy.py

 with open(r"C:\Users\lele\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file:
-    a=file.read()
-    print(a)
\ No newline at end of file
+    a=file.readlines()
+sum_list=[]
+for i in a:
+    j=i.split()
+    sum=0
+    for num in j[1:]:
+        sum=sum+int(num)
+    x=j[0]+str(sum)
+    print(x)
+    sum_list.append(x+"\n")
+with open(r"C:\Users\lele\Desktop\text0.txt","a",encoding="utf-8") as file0:
+    file0.writelines(sum_list)