New posts in Python Internals

Why does list ask about __len__?

Is there anything faster than dict()?

list() uses slightly more memory than list comprehension

Are dictionaries ordered in Python 3.6+?

Two variables in Python have same id, but not lists or tuples

When is hash(n) == n in Python?

Why were literal formatted strings (f-strings) so slow in Python 3.6 alpha? (now fixed in 3.6 stable)

Non-monotonic memory consumption in Python2 dictionaries

How int() object uses "==" operator without __eq__() method in python2?

Why are Python's arrays slow?