New posts in Python Internals

Python: which types support weak references?

Why do two identical lists have a different memory footprint?

Which encoding is used for strings in Python 2.x?

Python lexical analysis - logical line & compound statements

Is it possible to "hack" Python's print function?

Why is the size of 2⁶³ 36 bytes, but 2⁶³-1 is only 24 bytes?

Why do tuples take less space in memory than lists?

Does declaring variables in a function called from __init__ still use a key-sharing dictionary?

Does Python optimize away a variable that's only used as a return value?

Why is x**4.0 faster than x**4 in Python 3?