Thank you for your contribution @nawab69.
After analyzing your tutorial we suggest the following points listed below:

- Nice work on the explanations of your code, although adding a bit more comments to the code can be helpful as well.

- In your code there are blank lines, which makes it harder to read the code.

![1.png](https://cdn.steemitimages.com/DQmTYpwULCXvyLDA72hc8r3fUdmvBoD4xEVnCumLcEQsjVk/1.png)

- Before publishing your tutorial check if everything was correct, in your contribution there is an image that was left to load due to the source of the image being wrong:

![2.png](https://cdn.steemitimages.com/DQmdN2ukbMbVwzXpmxf25yZwrhsTSCbMmM41QyrCCzBwXtq/2.png)

- Nice work on the explanations of your code, although adding a bit more comments to the code can be helpful as well.

- Indent your code. <a href="https://en.wikipedia.org/wiki/Indentation_style">Link</a>

- Improve the structure of your tutorial.

Your contribution has been evaluated according to [Utopian policies and guidelines](https://join.utopian.io/guidelines), as well as a predefined set of questions pertaining to the category.

To view those questions and the relevant answers related to your post, [click here](https://review.utopian.io/result/8/3-2-3-1-3-2-3-3-).

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