New posts in Python Internals

Why is code using intermediate variables faster than code without?

How Does String Conversion Between PyUnicode String and C String Work?

Runtime of python's if substring in string

Why is a class __dict__ a mappingproxy?

Why are some float < integer comparisons four times slower than others?

Are list comprehensions syntactic sugar for `list(generator expression)` in Python 3?

Why is "1000000000000000 in range(1000000000000001)" so fast in Python 3?

Why is 'x' in ('x',) faster than 'x' == 'x'?

Why doesn't the namedtuple module use a metaclass to create nt class objects?

Why does a class' body get executed at definition time?