Pi Pico - Temperature

import machine
import utime

sensor_temp = machine.ADC(4)
conversion_factor = 3.3 / (65535)

while True:
 reading = sensor_temp.read_u16() * conversion_factor
 temperature = 27 - (reading - 0.706)/0.001721
 print(temperature, "C   ", end = '')
 print(temperature * (9/5) + 32, 'F')
 utime.sleep(2)