In this chapter, we learned about the importance of debugging and profiling programs. We learned what the different techniques available for debugging are. We learned about the pdb Python debugger and how to handle exceptions. We learned about how to use the cProfile and timeit modules of Python while profiling and timing our scripts. We also learned how to make your scripts run faster.

In the next chapter, we are going to learn about unit testing in Python. We are going to learn about creating and using unit tests.