When I first started using pandas for data analysis, I started using loops. However, loops are time consuming and so I started looking for alternatives and that is what I am trying to share with everyone. The apply() Method We can use apply with a lambda function. The performance of apply function depends on the content of the expression. Swifter apply() It is a combination of pandas apply (non-parallel) and dask apply (parallelized). Since swifter toggles between these...