Hello everyone, its been quite a long time since I updated the post, So finally here is the recent work that I have done in past few weeks. As in the last blog post I was able to create a new transform script using lxml and I have mentioned the way I implemented that script. As the code have been reviewed, then Jamie (mentor) pointed me a very important bug that I have comparing regular expression with the strings and not with the tags which was a bug in that script, so what I did is that when I am converting the whole input of string into a tree form and then iterating through every node and then replacing or removing the unwanted tags as required. How to work with tree and replace tags ? So basically what I did is I just took the whole document as a string and parse it into HTMLParser which converts the whole string into a tree like structure. So here in this tree we will have a parent node and then the child nodes and we will iterate through the whole tree and manipulate the