code: def get_block_by_name(name):
      if name == "transition":
          return TransitionBlock
      elif name == "dense_block":
          return DenseBlock
      else:
          raise ValueError("Unsupported block type: %s" % name)
  
imports: import tensorflow
  from models.basic_model import BasicModel
  from models.layers import ConvLayer, FCLayer, PoolLayer, get_magnifier, apply_noise
  from data_providers.base_provider import DataProvider
  from models.layer_cascade import LayerCascade
  from models.layer_multi_branch import LayerMultiBranch
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: get_block_by_name(name) and returns: TransitionBlock, DenseBlock