class_docstr: Euclidean Distance Measure
code: def abs_dist(self, x, y):
      return np.linalg.norm(x - y)
  
imports: import math
  import numpy
  from bigdl.chronos.detector.anomaly.abstract import AnomalyDetector
  from bigdl.nano.utils.common import invalidInputError
  from abc import ABC, abstractmethod
label_desc: Use image node_id 2 for calling the EuclideanDistance obj's underlying member method code with example usage: obj.abs_dist(x, y) and returns: np