import RPi.GPIO as GPIO # Set pin numbering mode GPIO.setmode(GPIO.BCM) # Set pin as input or output GPIO.setup(18, GPIO.OUT) # Set pin output to a specific state (high/low) GPIO.output(18, GPIO.HIGH)In this example, we are using the RPi.GPIO library package, which allows us to access and manage the GPIO pins of a Raspberry Pi device. The code first sets the numbering mode, then sets the pin mode as an output, and finally sets the output state to high. Other devices such as Arduino or BeagleBone may require different package libraries, which have to be installed and imported before use. This code snippet is just an example of how to initialize and set up GPIO pins using Python.