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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 unify_mp(b, partition_name):
 """Unify all of the segment partitions for a parent partition, then run stats on the MPR file"""


    with b.progress.start('coalesce_mp',0,message="MP coalesce {}".format(partition_name)) as ps:
        r = b.unify_partition(partition_name, None, ps)

    return r