I don't have a certification yet since I chose to audit this course. But even so, I am still provided with access to the class materials, quizzes, and video lectures as well. Maybe if I can afford the whole specialization but for the meantime I would like to give my review.
This course is a good introduction to beginners out there. Dr Chuck did a great work teaching such as providing good (and sometimes humorous) illustrations, as well as resources needed to make things easier. Even though I am an experienced developer, I still find it interesting because the instructor makes you think logically. Makes me wish I learned this back then in programming school. The quizzes also help students think on their own as they are still quite challenging.
A bonus material also included are the interviews from professional developers, and even the Python creator Guido van Rossum himself. It's not required to watch them but it gives you an interesting overview in the python world.
One problem here, although it's not that bad, is that they still use Python 2. Although it's not a problem since it is still easier to upgrade anytime plus the free textbook provided has some footnotes for Python 3 changes. I do hope in the future they would upgrade to Python 3 since the new edition of the book is now updated.
I would recommend this to both newbies in programming and experienced developers who are interested to learn the Python programming language as well.