How-to articles, tricks, and solutions about CHAINED-ASSIGNMENT
Extracting specific selected columns to new DataFrame as a copy
To create a new DataFrame with a subset of columns from an existing DataFrame, you can use the pandas library.
How to add a new column to an existing DataFrame?
You can add a new column to an existing pandas DataFrame by using the assign() method or the [] notation.
How to deal with SettingWithCopyWarning in Pandas
The "SettingWithCopyWarning" in pandas is raised when you try to modify a copy of a DataFrame or Series rather than the original.