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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 init_environment():
 """Set environment variables that are important for the pipeline. :returns: None :rtype: None :raises: None """

    os.environ['DJANGO_SETTINGS_MODULE'] = 'jukeboxcore.djsettings'
    pluginpath = os.pathsep.join((os.environ.get('JUKEBOX_PLUGIN_PATH', ''), constants.BUILTIN_PLUGIN_PATH))
    os.environ['JUKEBOX_PLUGIN_PATH'] = pluginpath