code: def tile_tensor(tensor: tf.Tensor, multiple: int) -> tf.Tensor:
      """Tiles `multiple` copies of `tensor` along a new leading axis."""
      rank = len(tensor.shape)
      multiples = tf.constant([multiple] + [1] * rank, dtype=tf.int32)
      expanded_tensor = tf.expand_dims(tensor, axis=0)
      return tf.tile(expanded_tensor, multiples)
  
imports: import functools
  from typing import List, Optional, Union
  from acme import types
  from acme.utils import tree_utils
  import sonnet
  import tensorflow
  import tree
label_desc: Use image node_id 5 for calling a global function with example usage: tile_tensor(tensor, multiple) and returns: tf