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Summary

Eliminate clunky 'try: ... except FileNotFoundError: pass' boilerplate! Learn declarative, elegant You already use context managers every time you write 'with open(...)'. This lesson shows how to build your own in a few lines ... Context managers — lesson 55 of today I show off `nullcontext` as well as a few popular usecases for conditional context managers and one for pytest! - conditional ... Resources & Further Learning - Practice notebook ... Last week we learned about context managers: youtu.be/qfN6_Kv6E-Y, so this week we're going to learn about a more ... ThreadPoolExecutor swallows exceptions unless you call future.exception()—here's how to catch them instantly with a one-line ... What happens if your regular expression (regex/regexp) contains an Learn the three important types of