How is Multithreading achieved in Python?

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Tags:- Python

Python has a multi-threading package, but commonly not considered good practice to use it as it will result in increased code execution time.

Python has a constructor called the Global Interpreter Lock (GIL). The GIL ensures that only one of your ‘threads’ can execute at one time. The process makes sure that a thread acquires the GIL, does a little work, then passes the GIL onto the next thread. This happens at a very Quick instance of time and that’s why to the human eye it seems like your threads are executing parallelly, but in reality, they are executing one by one by just taking turns using the same CPU core.