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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 _upstart_delete(name):
    '''
    Delete an upstart service. This will only rename the .conf file
    '''
    if HAS_UPSTART:
        if os.path.exists('/etc/init/{0}.conf'.format(name)):
            os.rename('/etc/init/{0}.conf'.format(name),
                      '/etc/init/{0}.conf.removed'.format(name))
    return True