import pyb

print("Executing boot.py")


def pins():
    for pin_name in dir(pyb.Pin.board):
        pin = pyb.Pin(pin_name)
        print("{:10s} {:s}".format(pin_name, str(pin)))


def af():
    for pin_name in dir(pyb.Pin.board):
        pin = pyb.Pin(pin_name)
        print("{:10s} {:s}".format(pin_name, str(pin.af_list())))