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Author: Li Yin

README.md

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 # **Hands-on Algorithmic Problem Solving** [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)
-A $100\%$ open sourced book for anyone who wants to learn to code and get a software engineer job.
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+A 100% open sourced book for anyone who wants to learn to code and get a software engineer job.
 ## Contributing
 The book is written in latex, and all contents except the code is located under [**Easy-Book** folder](Easy-Book). Feel free to send me  [pull requests](https://github.com/liyin2015/python-coding-interview/pulls) or email ([email protected]) to contribute contents. Before you start to improve the contents, it would be helpful to know the [high-level structure of the book](#about-this-book). Read [How to contribute?](how_to_contribute.md) for more details.