import bme280
import smbus2
from time import sleep

port = 1
address = 0x76 
bus = smbus2.SMBus(port)

bme280.load_calibration_params(bus,address)

def read_all():
    bme280_data = bme280.sample(bus,address)
    return bme280_data.humidity, bme280_data.pressure, bme280_data.temperature