In this section, we will implement the preceding situation in an actual Python program. Specifically, we will have two locks (we will call them lock A and lock B), and two separate threads interacting with the locks (thread A and thread B). In our program, we will set up a situation in which thread A has acquired lock A and is waiting to acquire lock B, which has already been acquired by thread B, which is, in turn, waiting for lock A to be released.
If you have already downloaded the code for this book from the GitHub page, go ahead and navigate to the Chapter18 folder. Let us consider the Chapter18/example1.py file, as follows:
# Chapter18/example1.pyimport threadingimport timedef thread_a(): print('Thread A is starting...') ...
