import machine 
import time 
import ssd1306
import sd18b20

ds= machine.Pin(4)

i2c = machine.I2C(scl=machine.Pin(22), sda=machine.Pin(21))  
oled = ssd1306.SSD1306_I2C(128, 64, i2c)


def display_temp(temp):
    oled.fill()
    oled.text({temp},)
    oled.show  bbbbbb