How to add another column to dataframe in python

- How to add column to dataframe in python
- How to add one column to dataframe in python
- How to add empty column to dataframe in python
- How to add column names to dataframe in python
- How to add list as column to dataframe in python
- How to add column to existing dataframe in python
- How to add a column to a dataframe in python based on condition
- How to add a column to a dataframe in python with same value
- How to add a column to a dataframe in python with values
- How to add a column to spark dataframe in python
- How to add column from one dataframe to another in python