code: def random_int(self, min=0, max=9999, step=1):
          
          return self.generator.random.randrange(min, max + 1, step)
docs: Returns a random integer between two values.
  
          :param min: lower bound value (inclusive; default=0)
          :param max: upper bound value (inclusive; default=9999)
          :param step: range step (default=1)
          :returns: random integer between min and max