def call_simulator(simulator):
AU = (149.6e6 * 1000)
sun = simulator.Body()
sun.name = 'Sun'
sun.mass = 1.98892 * 10**30
earth = simulator.Body()
earth.name = 'Earth'
earth.mass = 5.9742 * 10**24
earth.px = -1 * AU
earth.vy = 29.783 * 1000
venus = simulator.Body()
venus.name = 'Venus'
venus.mass = 4.8685 * 10**24
venus.px = 0.723 * AU
venus.vy = -35.02 * 1000
simulator.loop([sun, earth, venus])
def simulator_loop():
simulator.loop()