save project

diy.py

 with open(r'C:\Users\Thinkpad\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file1:
     a=file1.readlines()
 b=0
+p=[]
 for i in a:
     q=i.split()
     for s in q[1:]:
         b+=int(s)
-    print(b)
+    result=q[0]+str(b)+'\n'
+    p.append(result)
     b=0
+with open(r'C:\Users\Thinkpad\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8') as file1:
+    witelines()
+
+
+
+
+
+
+
+