Concurrent Programming in Python

Concurrency using threading

We can implement concurrency in python using the concepts of threads. A thread is a separate flow of execution. This means that your program will have two things happening at once. But for most Python 3 implementations, the different threads do not actually execute at the same time, they merely appear to. This is the reason we are using the term concurrency here instead of parallel processing. You can achieve that too using multiprocessing, which comes with some extra overhead.

Let’s look at an example of concurrency using threads.