text: '''
  Created on May 12, 2019
  
  @author: Carlo Cena
  '''
  import numpy as np
  def distance(data1, data2):
      '''
      It computes the euclidean distance of the two instances.
      :param: data1 and data2 are instances of data
      :return: euclidean distance
      '''
      return np.linalg.norm(data1-data2)
  