DHT.py

import Adafruit_DHT
from time import sleep
sensor = Adafruit_DHT.DHT11
pin = 4

while(1):
	humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
	if humidity is not None and temperature is not None:
		print('Temp={0:0.1f}* Humidity={1:0.1f}%'.format(temperature, humidity))
	else:
		print('Failed to get reading. Try again!')
	sleep(2)