import types

def fun(x):
    return lambda : x + 5

code_args = [ getattr(fun.__code__, a)
              for a in ( 'co_argcount',
                         'co_posonlyargcount',
                         'co_kwonlyargcount',
                         'co_nlocals',
                         'co_stacksize',
                         'co_flags',
                         'co_code',
                         'co_consts', 
                         'co_names',
                         'co_varnames',
                         'co_filename',
                         'co_name',
                         'co_qualname',
                         'co_firstlineno',
                         'co_linetable',
                         'co_endlinetable',
                         'co_columntable',
                         'co_exceptiontable',
                         'co_freevars',
                         )
              ]
              

print('code_args ', code_args)
code = types.CodeType(*code_args)
print('code ', code)
new_fun = types.FunctionType(code, globals())
print('new-fun ', new_fun)
nf = new_fun(5)
print(nf)
print( nf())