text: import sys
  import getopt
  
  class Env:
      def __init__(self):
          self.env = self.parse_env()
  
      def parse_env(self):
          variables = dict(getopt.getopt(args=sys.argv[1:], shortopts='t:u:')[0])
  
          return {
              'threads': int(variables.get('-t')),
              'url': variables.get('-u')
          }
  
      def get(self, argument):
          return self.env.get(argument)
  