Answer:A pure function is a set of coding statements whose output is derived solely from the input parameters that it gets with no side effects. A functional program consists of an evaluation of pure functions.
Option #3 is an interesting one to reflect on as this is what many programmers would consider a natural and only alternative when #1 is not available. In fact, if you're coding on top of a rich fat framework (think Spring or Django), this indeed is the natural and only way to do i...
Use Case: You are a Data Scientist. You are given a task to do sentiment analysis on your product like what people have been writing about it, how positive or negative impact it is making on the internet and what are the drawbacks we need to focus? So one way to answer all these qu...