Pandas is a powerful python library for data manipulation. It requires limited query level optimisation as its functions can perform rapid data manipulation and analysis on the entire data set. Below is a good introductory tutorial and cheat sheet to get started with pandas. https://pandas.pydata.org/pandas-docs/stable/getting_started/10min.html#min
Pandas for Data Wrangling – tutorial, cheat sheet
10 minute introduction and handy cheat sheet
Very good article for using pandas.
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