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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 _cond(self, unused_x, unused_cumul_out, unused_prev_state, unused_cumul_state, cumul_halting, unused_iteration, unused_remainder):
 """The `cond` of the `tf.while_loop`."""

    return tf.reduce_any(cumul_halting < 1)