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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 vgremove(vgname):
    '''
    Remove an LVM volume group

    CLI Examples:

    .. code-block:: bash

        salt mymachine lvm.vgremove vgname
        salt mymachine lvm.vgremove vgname force=True
    '''
    cmd = ['vgremove', '-f', vgname]
    out = __salt__['cmd.run'](cmd, python_shell=False)
    return out.strip()