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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 _at_least_x_are_true(a, b, x):
 """At least `x` of `a` and `b` `Tensors` are true."""

  match = tf.equal(a, b)
  match = tf.cast(match, tf.int32)
  return tf.greater_equal(tf.reduce_sum(match), x)