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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 get_all_celcius_commands():
 """Query cron for all celcius commands"""

    p = subprocess.Popen(["crontab", "-l"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    out, err = p.communicate()
    return [x for x in out.split('\n') if 'CJOBID' in x]