Intro to Pandas Python library. The guide is based on Pandas User Guide documentation. Pandas Documentation: https://pandas.pydata.org/pandas-docs/stable/user_guide/index.html
Practicing on your own is the key to learning Pandas. Follow the examples along with documentation posted in the link above. The guide isn't meant to be a stand-alone start to finish tutorial. It's strongly advised to utilize pandas official online guide along with this manual to fully grasp the library.