old_contents: from machine import Pin
  from ds18x20 import DS18X20
  import onewire
  import time
  import machine
  import ujson
  import urequests
  
  def posttocloud(temperature):
    keystext = open("sparkfun_keys.json").read()
    keys = ujson.loads(keystext)
    url = keys['inputUrl'] + "?private_key=" + keys['privateKey'] + "&temp=" + str(temperature)
    #data = {'temp':temperature}
    #data['private_key'] = keys['privateKey']
    #print (keys['inputUrl'])
    #print(keys['privateKey'])
    #datajson = ujson.dumps(data)
    #print (datajson)
    resp = urequests.request("POST", url)
    print (resp.text)
  
  while True:
    p = Pin(2) # Data Line is on GPIO2 aka D4
    ow = onewire.OneWire(p)
    ds = DS18X20(ow)
    lstrom = ds.scan()
    #Assuming we have only 1 device connected
    rom = lstrom[0]
  
    ds.convert_temp()
    time.sleep_ms(750)
    temperature = round(float(ds.read_temp(rom)),1)
    #print("Temperature: {:02.1f}".format(temperature))
    posttocloud(temperature)
    time.sleep(10)
new_contents: from machine import Pin
  from ds18x20 import DS18X20
  import onewire
  import time
  import ujson
  import urequests
  
  def posttocloud(temperature):
    
    keystext = open("sparkfun_keys.json").read()
    keys = ujson.loads(keystext)
    params = {}
    params['temp'] = temperature
    params['private_key'] = keys['privateKey']
    
    #data.sparkfun doesn't support putting data into the POST Body.
    #We had to add the data to the query string
    #Copied the Dirty hack from
    #https://github.com/matze/python-phant/blob/24edb12a449b87700a4f736e43a5415b1d021823/phant/__init__.py
    payload_str = "&".join("%s=%s" % (k, v) for k, v in params.items())
    url = keys['inputUrl'] + "?" + payload_str
    resp = urequests.request("POST", url)
    print (resp.text)
  
  while True:
    p = Pin(2) # Data Line is on GPIO2 aka D4
    ow = onewire.OneWire(p)
    ds = DS18X20(ow)
    lstrom = ds.scan()
    #Assuming we have only 1 device connected
    rom = lstrom[0]
  
    ds.convert_temp()
    time.sleep_ms(750)
    temperature = round(float(ds.read_temp(rom)),1)
    #print("Temperature: {:02.1f}".format(temperature))
    posttocloud(temperature)
    time.sleep(10)
subject: Build a query string with params in a dictionary and append it to the URL. Makes the code readale. Remove commented code