data Provider = Code Number Prefix Price Usd Profit Vat Currency Special

data Tarif = Country Code Number Prefix Price Usd Profit Vat Currency Special
           | Country Country_name Speacial [Provider]

import numpy, threading
class Worker(threading.Thread):
    def __init__(self, ws):
        self.ws = ws
        threading.Thread.__init__(self)
    def run(self):
        while True:
            numpy.sin(self.ws);

workers = []
data = numpy.arange(0, 1500, 0.0001) # 0.0001, 0.0002,0.0003...1500
for x in range(8):
    workers.append(Worker(d))
    workers[-1].start();