Python Tutorial: Add a column to a data frame

You have learnt addition, now learn how to add a column to a data frame!
In our last post on what are Python data frames, we introduced the concept,  but are you now searching how to add a column to a data frame?To start, I was working away and wondering how I could accomplish this, as there were many posts about it. Searching through the jungles of website articles, some topics of interest that gave me ideas where as follows:(A)List comprehension.(B) Lambda.(C) Numpy.

Having tested the waters to see how you can approach:

After working through the above to:

• Figure out how to use them.
• Write some code to see how it all comes together.

The best thing to do was to put code into action!

Python for beginners or advanced programmers does not have to be hard!