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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def dot_distance(t1, t2, name=None):
 """dot "distance" between t1 and t2. Args: t1: A tensor. t2: A tensor that is the same size as t1. name: Optional name for this op. Returns: The dot distance between t1 and t2. """

  with tf.name_scope(name, 'dot_distance', [t1, t2]) as scope:
    return -dot_product(t1, t2, name=scope)