code: def flatten_tensor_variables(ts):
      """Flattens a list of tensors into a single, 1-dimensional tensor.
  
      Args:
          ts (collections.abc.Iterable): Iterable containing either tf.Tensors or
              arrays.
  
      Returns:
          tf.Tensor: Flattened Tensor.
      """
      return tf.concat(
          [tf.reshape(x, [-1]) for x in ts],
          0,
          name="flatten_tensor_variables",
      )
  
imports: import collections
  import numpy
  import tensorflow
label_desc: Use image node_id 9 for calling a global function with example usage: flatten_tensor_variables(ts) and returns: tf