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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(schema=None, key=None, user=None, **kwargs):
    '''
    Get key in a particular GNOME schema

    CLI Example:

    .. code-block:: bash

        salt '*' gnome.get user=<username> schema=org.gnome.desktop.screensaver key=idle-activation-enabled

    '''
    _gsession = _GSettings(user=user, schema=schema, key=key)
    return _gsession._get()