servers = ["google.com", "stackoverflow.com", "yahoo.com"]
results = []

def worker(server):
  host = server[0]
  # connect to host and such
  return result

def finish(worker, result):
  results.append(result)

pool = ThreadPool(1000)
item = makeRequests(worker, servers, finish)
[pool.putRequest(req) for req in requests]
pool.wait()

# do something with results