import smbus
import time

address = 0x57
sensor = smbus.SMBus(1)

while True:
    sensor.write_byte(address, 0x01)
    
    time.sleep(0.2)

    bytes = sensor.read_i2c_block_data(address, 0, 3)
    distance = ((bytes[0] << 16) + (bytes[1] << 8) + bytes[2]) / 10000

    print(distance)