new_contents: import RPi.GPIO as GPIO
  import time as time
  GPIO.setmode (GPIO.BCM)
  GPIO.setup (22, GPIO.IN )
  GPIO.setup (17,GPIO.OUT )
  
  while True:
      if GPIO.input(22):
          break
  
  print "start"
  
  datafile = open ("tempreading.log","w")
  
  while True:
      GPIO.output (17, GPIO.HIGH)
      tfile = open ("/sys/bus/w1/devices/28-000005658920/w1_slave")
      text = tfile.read()
      tfile.close()
      secondline = text.split ("\n")[1]
      tempData = secondline.split(" ")[9]
      temprature = float (tempData[2:])
      temprature = temprature / 1000
      print temprature
      datafile.write(str(temprature)+ "\n")
      time.sleep (1)
      GPIO.output (17, GPIO.LOW)
      time. sleep (1)
      if GPIO.input (22)==1:
          break
  datafile.close()
  GPIO.output (17, GPIO.LOW)
  
subject: Create tempLogger.py