code: def euclidean_distance(x1, x2):
      """Calculates the l2 distance between two vectors"""
      distance = 0
      # Squared distance between each coordinate
      for i in range(len(x1)):
          distance += pow((x1[i] - x2[i]), 2)
      return math.sqrt(distance)
  
file_path: ML-From-Scratch/mlfromscratch/utils/data_operation.py
imports: from __future__ import division
  import numpy
  import math
  import sys
label_desc: Use image node_id 5 for calling a global function with example usage: euclidean_distance(x1, x2) and returns: math