gistfile1.txt

import RPi.GPIO as GPIO
import time

import logging

logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger('')

logger.setLevel(logging.DEBUG)

GPIO.setmode(GPIO.BCM)

pins = range(1, 28)
for p in pins:
    print("GPIO{}".format(p), end=' ')
    GPIO.setup(p, GPIO.IN, pull_up_down=GPIO.PUD_UP)
    rup = GPIO.input(p)
    print("UP={}".format(rup), end=' ')
    GPIO.setup(p, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
    rdn = GPIO.input(p)
    print("DOWN={}".format(rdn), end=' ')
    if rup and not rdn:
        print("OK")
    else:
        print("FAIL")