def test_multiple_shifts_left_in_one_step(self, tape: Tape, step_number: int) -> None:
tape.set(10)
for _ in range(step_number):
tape.shift_right(1)
tape.shift_left(step_number)
assert tape.get() == 10
def test_shift_left(self, tape: Tape) -> None:
tape.shift_right(1)
tape.shift_left(1)
assert tape.get() == 0