from lcd_i2c import*   # import lcd.py file

lcd_start() 
cmd_write(0x0f)
cmd_write(0x80+5)  #line 1 position
print_lcd("hello")
cmd_write(0xc0+8)  # line 2 position
print_lcd("mung")
for i in range(90):
    cmd_write(0xc0)
    print_lcd(str(i))
    sleep(0.5)