[Tutor] Python internals

[kartik sundarajan]

Hi,

I am trying to learn how Python stores variables in memory. For ex:

my_var = 'test'

def func():
    pass

when I type dir() I get

['__builtins__', '__doc__', '__name__', '__package__', 'func', 'help',
'my_var']

are these variables stored in a dict and on calling dir() all the keys are
returned?
Or is it stored in a list or a heap?

Can anyone suggest if there some document I can read to help me understand
the Python internals work ?

Cheers
Kartik
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