which allows you to select or exclude rows or columns of a data structure based on logical expressions. In this article, you will learn how to use boolean indexing or masking in Python with pandas ...

Regular expression is used to validate input. Python have a library which have many methods to ... and object that contain value to search method , it will return you boolean value ,true if matches ...

I recently switched to using python 2.5 from 2.4 ... false_value </pre><BR>Evaluation is still lazy as in existing Boolean expressions, so the order of evaluation jumps around a bit.

As well as checking the condition of the Boolean expression in line 2, this program also checks the condition of the Boolean expression in line 4: Boolean logic does not just work with numbers.