IT Nursery
If a tuple is immutable then why can it contain mutable items? It is seemingly a contradiction that when a mutable item such as a list does get modified,...
Is there a way to see how built in functions work in python? I don’t mean just how to use them, but also how were they built, what is...
How do you access other class variables from a list comprehension within the class definition? The following works in Python 2 but fails in Python 3: class Foo: x...
Is it a linked list, an array? I searched around and only found people guessing. My C knowledge isn’t good enough to look at the source code. 9 Answers...
What is a global interpreter lock and why is it an issue? A lot of noise has been made around removing the GIL from Python, and I’d like to...
This question is motivated by my another question: How to await in cdef? There are tons of articles and blog posts on the web about asyncio, but they are...
>>> timeit.timeit("'x' in ('x',)") 0.04869917374131205 >>> timeit.timeit("'x' == 'x'") 0.06144205736110564 Also works for tuples with multiple elements, both versions seem to grow linearly: >>> timeit.timeit("'x' in ('x', 'y')") 0.04866674801541748...
Is there any performance difference between tuples and lists when it comes to instantiation and retrieval of elements? 9 Answers 9
When comparing floats to integers, some pairs of values take much longer to be evaluated than other values of a similar magnitude. For example: >>> import timeit >>> timeit.timeit("562949953420000.7...
In Python for *nix, does time.sleep() block the thread or the process? 7 Answers 7