code: def __init__(self, l1, l2, k):
      super().__init__()
      self.l1 = l1
      self.l2 = l2
      self.k = k
  
imports: from caffe2.python import core, utils
  import numpy
label_desc: Use image node_id 1 to create a new ElasticNetL1NormTrimmed object from inherited base classes: Regularizer with example: obj = ElasticNetL1NormTrimmed(l1, l2, k)