from machine import Pin, SoftI2C
from ssd1306 import SSD1306_I2C
import time 

i2c = SoftI2C(scl=Pin(27), sda=Pin(26), freq=400000) 

oled = SSD1306_I2C(128, 64, i2c) 

def clear_oled():
    oled.fill(0)
    oled.show() 

oled.text("Hello, Wokwi!", 10, 0)
oled.text("Praktikum", 0, 20)
oled.text("Raspberry Pi Pico", 0, 40)
oled.show() 

time.sleep(5) 

clear_oled()