def test_drive(vh: Vehicle):
if not isinstance(vh, Vehicle):
raise ValueError("vh must be derived from Vehicle")
print('Test drive of a', vh)
try:
vh.beep()
if vh.current_speed != 0:
vh.slow_down(abs(vh.current_speed))
vh.accelerate(60)
vh.accelerate(60)
print(f'After acceleration by 120 speed is {vh.current_speed}')
vh.slow_down(60)
vh.slow_down(60)
print(f'After slow down by 120 speed is {vh.current_speed}')
vh.accelerate(-60)
vh.accelerate(-60)
print(f'After acceleration by -120 speed is {vh.current_speed}')
vh.slow_down(60)
vh.slow_down(60)
print(f'After slow down by 120 speed is {vh.current_speed}')
vh.beep()
except Exception as e:
print(f'Error in test_drive <{vh}> : "{e.args[0]}"')
