Pandas

Read Excel file in Pandas
https://pupli.net/2019/12/read-excel-file-in-pandas/

Iterate over rows in a DataFrame in Pandas
https://pupli.net/2019/12/iterate-over-rows-in-a-dataframe-in-pandas/

Pandas df.size, df.shape and df.ndim
https://pupli.net/2019/12/pandas-df-size-df-shape-and-df-ndim/

Writing data to Excel with Pandas
https://pupli.net/2019/12/writing-data-to-excel-with-pandas/

Add rows to Pandas DataFrame
https://pupli.net/2019/12/add-rows-to-pandas-dataframe/

Access specific column in Pandas DataFrame
https://pupli.net/2019/12/access-specific-column-in-pandas-dataframe/

Filter by values of a column in Pandas DataFrame
https://pupli.net/2019/12/filter-by-values-of-a-column-in-pandas-dataframe/

Set Index in Pandas DataFrame
https://pupli.net/2019/12/set-index-in-pandas-dataframe/

Sort Index in Pandas DataFrame
https://pupli.net/2019/12/sort-index-in-pandas-dataframe/

Working on a copy of Pandas DataFrame
https://pupli.net/2019/12/working-on-a-copy-of-pandas-dataframe/