<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def convert_geojson_to_shapefile(geojson_path):
 """Convert geojson file to shapefile. It will create a necessary file next to the geojson file. It will not affect another files (e.g. .xml, .qml, etc). :param geojson_path: The path to geojson file. :type geojson_path: basestring :returns: True if shapefile layer created, False otherwise. :rtype: bool """

    layer = QgsVectorLayer(geojson_path, 'vector layer', 'ogr')
    if not layer.isValid():
        return False
    # Construct shapefile path
    shapefile_path = os.path.splitext(geojson_path)[0] + '.shp'
    QgsVectorFileWriter.writeAsVectorFormat(
        layer,
        shapefile_path,
        'utf-8',
        layer.crs(),
        'ESRI Shapefile')
    if os.path.exists(shapefile_path):
        return True
    return False