save project

diy.py

 with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
-dd=[]
+abb=[]
 for i in a:
     b=i.split()
     c_1=0
     for x in b[1:]:
         c_1=c_1+int(x)
     result=b[0]+str(c_1)+'\n'
-    dd.append(result)
+    abb.append(result)
 with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8') as file:
-  file.writelines(dd)
\ No newline at end of file
+  file.writelines(abb)
\ No newline at end of file