<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def mash_dist_trusted(fasta_path):
 """ Compute Mash distances of sketch file of genome fasta to RefSeq sketch DB. Args: mash_bin (str):
 Mash binary path Returns: (str):
 Mash STDOUT string """

    args = [MASH_BIN,
            'dist',
            MASH_SKETCH_FILE,
            fasta_path]
    p = Popen(args, stderr=PIPE, stdout=PIPE)
    (stdout, stderr) = p.communicate()
    retcode = p.returncode
    if retcode != 0:
        raise Exception('Could not run Mash dist {}'.format(stderr))

    return stdout