... 'some_string' b'\\xa3' Name None True False 1 1.0 1j True or False True or False or None True and False True and False and None (Name1 and Name2) or Name3 Name1 and Name2 or Name3 Name1 or (Name2 and Name3) Name1 or Name2 and Name3 (Name1 and Name2) or (Name3 and Name4) Name1 and Name2 or Name3 and Name4 Name1 or (Name2 and Name3) or Name4 Name1 or Name2 and Name3 or Name4 v1 << 2 1 >> v2 1 % finished 1 + v2 - v3 * 4 ^ 5 ** v6 / 7 // 8 ((1 + v2) - (v3 * 4)) ^ (((5 ** v6) / 7) // 8) not great ~great +value -1 ~int and not v1 ^ 123 + v2 | True (~int) and (not ((v1 ^ (123 + v2)) | True)) flags & ~ select.EPOLLIN and waiters.write_task is not None lambda arg: None lambda a=True: a lambda a, b, c=True: a lambda a, b, c=True, *, d=(1 << v2), e='str': a lambda a, b, c=True, *vararg, d=(v1 << 2), e='str', **kwargs: a + b 1 if True else 2 str or None if True else str or bytes or None (str or None) if True else (str or bytes or None) str or None if (1 if True else 2) else str or bytes or None (str or None) if (1 if True else 2) else (str or bytes or None) {'2.7': dead, '3.7': (long_live or die_hard)} {'2.7': dead, '3.7': (long_live or die_hard), **{'3.6': verygood}} {**a, **b, **c} {'2.7', '3.6', '3.7', '3.8', '3.9', ('4.0' if gilectomy else '3.10')} ({'a': 'b'}, (True or False), (+value), 'string', b'bytes') or None () (1,) (1, 2) (1, 2, 3) [] [1, 2, 3, 4, 5, 6, 7, 8, 9, (10 or A), (11 or B), (12 or C)] {i for i in (1, 2, 3)} {(i ** 2) for i in (1, 2, 3)} {(i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c'))} {((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3)} [i for i in (1, 2, 3)] [(i ** 2) for i in (1, 2, 3)] [(i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c'))] [((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3)] {i: 0 for i in (1, 2, 3)} {i: j for i, j in ((1, 'a'), (2, 'b'), (3, 'c'))} {k: v for k, v in this_is_a_very_long_variable_which_will_cause_a_trailing_comma_which_breaks_the_comprehension} Python3 > Python2 > COBOL Life is Life call() call(arg) call(kwarg='hey') call(arg, kwarg='hey') call(arg, another, kwarg='hey', **kwargs) call(this_is_a_very_long_variable_which_will_force_a_delimiter_split, arg, another, kwarg='hey', **kwargs) # note: no trailing comma pre-3.6 call(*gidgets[:2]) lukasz.langa.pl call.me(maybe) 1 .real 1.0 .real ....__class__ list[str] dict[str, int] tuple[str, ...] tuple[str, int, float, dict[str, int]] slice[0] slice[0:1] slice[0:1:2] slice[:] slice[:-1] slice[1:] slice[::-1] numpy[:, 0:1] (str or None) if (sys.version_info[0] > (3,)) else (str or bytes or None) {'2.7': dead, '3.7': long_live or die_hard} {'2.7', '3.6', '3.7', '3.8', '3.9', '4.0' if gilectomy else '3.10'} [1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or A, 11 or B, 12 or C] (SomeName) SomeName (Good, Bad, Ugly) (i for i in (1, 2, 3)) ((i ** 2) for i in (1, 2, 3)) ((i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c'))) (((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3)) (*starred) a = (1,) b = 1, c = 1 d = (1,) + a + (2,) e = (1,).count(1) what_is_up_with_those_new_coord_names = (coord_names + set(vars_to_create)) + set(vars_to_remove) what_is_up_with_those_new_coord_names = (coord_names | set(vars_to_create)) - set(vars_to_remove) result = session.query(models.Customer.id).filter(models.Customer.account_id == account_id, models.Customer.email == email_address).order_by(models.Customer.id.asc(),).all() def gen(): yield from outside_of_generator a = (yield) async def f(): await some.complicated[0].call(with_args=(True or (1 is not 1))) if ( threading.current_thread() != threading.main_thread() and threading.current_thread() != threading.main_thread() or signal.getsignal(signal.SIGINT) != signal.default_int_handler ): return True last_call() # standalone comment at ENDMARKER # output ... 'some_string' b'\\xa3' Name None True False 1 1.0 1j True or False True or False or None True and False True and False and None (Name1 and Name2) or Name3 Name1 and Name2 or Name3 Name1 or (Name2 and Name3) Name1 or Name2 and Name3 (Name1 and Name2) or (Name3 and Name4) Name1 and Name2 or Name3 and Name4 Name1 or (Name2 and Name3) or Name4 Name1 or Name2 and Name3 or Name4 v1 << 2 1 >> v2 1 % finished 1 + v2 - v3 * 4 ^ 5 ** v6 / 7 // 8 ((1 + v2) - (v3 * 4)) ^ (((5 ** v6) / 7) // 8) not great ~great +value -1 ~int and not v1 ^ 123 + v2 | True (~int) and (not ((v1 ^ (123 + v2)) | True)) flags & ~select.EPOLLIN and waiters.write_task is not None lambda arg: None lambda a=True: a lambda a, b, c=True: a lambda a, b, c=True, *, d=(1 << v2), e='str': a lambda a, b, c=True, *vararg, d=(v1 << 2), e='str', **kwargs: a + b 1 if True else 2 str or None if True else str or bytes or None (str or None) if True else (str or bytes or None) str or None if (1 if True else 2) else str or bytes or None (str or None) if (1 if True else 2) else (str or bytes or None) {'2.7': dead, '3.7': (long_live or die_hard)} {'2.7': dead, '3.7': (long_live or die_hard), **{'3.6': verygood}} {**a, **b, **c} {'2.7', '3.6', '3.7', '3.8', '3.9', ('4.0' if gilectomy else '3.10')} ({'a': 'b'}, (True or False), (+value), 'string', b'bytes') or None () (1,) (1, 2) (1, 2, 3) [] [1, 2, 3, 4, 5, 6, 7, 8, 9, (10 or A), (11 or B), (12 or C)] {i for i in (1, 2, 3)} {(i ** 2) for i in (1, 2, 3)} {(i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c'))} {((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3)} [i for i in (1, 2, 3)] [(i ** 2) for i in (1, 2, 3)] [(i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c'))] [((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3)] {i: 0 for i in (1, 2, 3)} {i: j for i, j in ((1, 'a'), (2, 'b'), (3, 'c'))} { k: v for k, v in this_is_a_very_long_variable_which_will_cause_a_trailing_comma_which_breaks_the_comprehension } Python3 > Python2 > COBOL Life is Life call() call(arg) call(kwarg='hey') call(arg, kwarg='hey') call(arg, another, kwarg='hey', **kwargs) call( this_is_a_very_long_variable_which_will_force_a_delimiter_split, arg, another, kwarg='hey', **kwargs ) # note: no trailing comma pre-3.6 call(*gidgets[:2]) lukasz.langa.pl call.me(maybe) 1 .real 1.0 .real ....__class__ list[str] dict[str, int] tuple[str, ...] tuple[str, int, float, dict[str, int]] slice[0] slice[0:1] slice[0:1:2] slice[:] slice[:-1] slice[1:] slice[::-1] numpy[:, 0:1] (str or None) if (sys.version_info[0] > (3,)) else (str or bytes or None) {'2.7': dead, '3.7': long_live or die_hard} {'2.7', '3.6', '3.7', '3.8', '3.9', '4.0' if gilectomy else '3.10'} [1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or A, 11 or B, 12 or C] (SomeName) SomeName (Good, Bad, Ugly) (i for i in (1, 2, 3)) ((i ** 2) for i in (1, 2, 3)) ((i ** 2) for i, _ in ((1, 'a'), (2, 'b'), (3, 'c'))) (((i ** 2) + j) for i in (1, 2, 3) for j in (1, 2, 3)) (*starred) a = (1,) b = 1, c = 1 d = (1,) + a + (2,) e = (1,).count(1) what_is_up_with_those_new_coord_names = (coord_names + set(vars_to_create)) + set( vars_to_remove ) what_is_up_with_those_new_coord_names = (coord_names | set(vars_to_create)) - set( vars_to_remove ) result = session.query(models.Customer.id).filter( models.Customer.account_id == account_id, models.Customer.email == email_address ).order_by( models.Customer.id.asc() ).all() def gen(): yield from outside_of_generator a = (yield) async def f(): await some.complicated[0].call(with_args=(True or (1 is not 1))) if ( threading.current_thread() != threading.main_thread() and threading.current_thread() != threading.main_thread() or signal.getsignal(signal.SIGINT) != signal.default_int_handler ): return True last_call() # standalone comment at ENDMARKER