save project

diy.py

 with open (r'c:\Users\23636\Documents\lesson13-1\sales_list.txt','r',encoding = 'utf-8')as frfr:
     a=frfr.readlines()
+    aaa=[]
 for i in a:
     s=i.split()
     sum=0
     for r in s[1:]:
         sum=sum+int(r)
     e=s[0]+str(sum)
+    aaa.append(e)
     print(e)
+with open (r'c:\Users\23636\Documents\lesson13-1\sales_list.txt','a',encoding = 'utf-8')as frfr:
+    frfr.writelines(aaa)
         
\ No newline at end of file