# a bit of setup
import sys
interned = sys.intern("foobar")
def f():
    var = "foobar"

# my_tuple = (None, 'foobar'), but with an un-interned string
my_tuple = (None, str(b'foobar', 'ascii'))  

print(id(my_tuple), id(my_tuple[1]))

# pass my_tuple as an input argument for a new code object
f.__code__.replace(co_consts=my_tuple)

# there's now a different object in the tuple!
print(id(my_tuple), id(my_tuple[1]))