Interview question: Convert the first letter of each element of a pandas series to uppercase

You just never know what kind of questions are going to be asked during a Python coding interview.

One question that may be asked is to convert the first letter of each element in a pandas series to upper case.

The answer is quite straightforward, really, because the only thing necessary is to use pandas’ capitalize function, as seen in the code below:-

It is also possible to convert the text to upper case using pandas’ upper function, as seen in the code below:-

You may want to convert the text to a title, so in that case it is possible to use pandas’ title function, as seen in the code below:-

There are of course several other string operations that pandas can perform, so below is a listing of a few of these string operations:-

There is so much to study for a Python coding interview, so it is necessary to before familiar with pandas string functions, because you never know which questions you will be asked to answer.