How to use the mercantile.tiles function in mercantile

def test_tiles_single_zoom():
    bounds = (-105, 39.99, -104.99, 40)
    tiles = list(mercantile.tiles(*bounds, zooms=14))
    expect = [
        mercantile.Tile(x=3413, y=6202, z=14),
        mercantile.Tile(x=3413, y=6203, z=14),
    ]
    assert sorted(tiles) == sorted(expect)

def test_global_tiles_clamped():
    """Y is clamped to (0, 2 ** zoom - 1)"""
    tiles = list(mercantile.tiles(-180, -90, 180, 90, [1]))
    assert len(tiles) == 4
    assert min(t.y for t in tiles) == 0
    assert max(t.y for t in tiles) == 1

def test_tiles():
    bounds = (-105, 39.99, -104.99, 40)
    tiles = list(mercantile.tiles(*bounds, zooms=[14]))
    expect = [
        mercantile.Tile(x=3413, y=6202, z=14),
        mercantile.Tile(x=3413, y=6203, z=14),
    ]
    assert sorted(tiles) == sorted(expect)

def test_tiles_truncate():
    """Input is truncated"""
    assert list(
        mercantile.tiles(-181.0, 0.0, -170.0, 10.0, zooms=[2], truncate=True)
    ) == list(mercantile.tiles(-180.0, 0.0, -170.0, 10.0, zooms=[2]))

parser.add_argument('--overwrite', dest='overwrite',
                        action='store_true', default=False)
    args = parser.parse_args()

    client = boto3.client('batch')

    database_url = os.environ.get('DATABASE_URL')
    assert database_url, \
        "Please set a DATABASE_URL environment variable"

    assert args.zoom < args.max_zoom, \
        "Pyramid root zoom must be less than max zoom"

    (w, s, e, n) = map(float, args.bbox.split(','))

    for tile in mercantile.tiles(w, s, e, n, [args.zoom]):
        command_list = [
            'python', 'examples/render_pyramid.py',
            str(tile.x), str(tile.y), str(tile.z),
            str(args.max_zoom), args.bucket
        ]

        if args.key_prefix:
            command_list.append('--key_prefix')
            command_list.append(args.key_prefix)

        container_overrides = {
            'command': command_list,
            'environment': [
                {'name': 'DATABASE_URL',
                 'value': database_url},
            ]

parser.add_argument('--copy_only')
    parser.add_argument('--cutoff_date')
    parser.add_argument('--bbox',
                        default='-180.0,-90.0,180.0,90.0',
                        help='Bounding box of tiles to submit jobs. '
                             'format: left,bottom,right,top')
    args = parser.parse_args()

    client = boto3.client('batch')

    assert args.zoom < args.max_zoom, \
        "Pyramid root zoom must be less than max zoom"

    (w, s, e, n) = map(float, args.bbox.split(','))

    for tile in mercantile.tiles(w, s, e, n, [args.zoom]):
        command_list = [
            'python', 'examples/aws_s3_tile_cp.py',
            str(tile.x), str(tile.y), str(tile.z),
            str(args.max_zoom), args.from_bucket, args.to_bucket,
        ]

        if args.from_prefix:
            command_list.append('--from_prefix')
            command_list.append(args.from_prefix)

        if args.to_prefix:
            command_list.append('--to_prefix')
            command_list.append(args.to_prefix)

        if args.remove_hash:
            command_list.append('--remove_hash')

def polyfill(self, input_gdf, zoom_level):
        check_package('mercantile', is_optional=True)
        import mercantile

        if not hasattr(input_gdf, 'geometry'):
            raise ValueError('This dataframe has no valid geometry.')

        geometry_name = input_gdf.geometry.name

        dfs = []
        for _, row in input_gdf.iterrows():
            input_geometry = row[geometry_name]
            bounds = input_geometry.bounds
            tiles = mercantile.tiles(bounds[0], bounds[1], bounds[2], bounds[3], zoom_level)
            new_rows = []
            for tile in tiles:
                new_row = row.copy()
                new_geometry = box(*mercantile.bounds(tile))
                if new_geometry.intersects(input_geometry):
                    new_row[geometry_name] = new_geometry
                    new_row['quadkey'] = mercantile.quadkey(tile)
                    new_rows.append(new_row)
            dfs.append(pd.DataFrame(new_rows))

        df = pd.concat(dfs).reset_index(drop=True)

        return CartoDataFrame(df, geometry=geometry_name, crs='epsg:4326')

def bounds(west, south, east, north, start_year, end_year, dry_run=False):
  return [
      region(tile.x, tile.y, start_year, end_year, dry_run)
      for tile in mercantile.tiles(west, south, east, north, config.region_zoom_level)
  ]

parser.add_argument('--output_prefix',
        default="output",
        help='The path prefix to output coverage data to')
    args = parser.parse_args()

    cities_resp = requests.get(args.cities_url)
    cities_resp.raise_for_status()
    cities_data = cities_resp.json()

    for feature in cities_data:
        name = feature['id']
        bbox = feature['bbox']
        min_lon, min_lat, max_lon, max_lat = float(bbox['left']), float(bbox['bottom']), float(bbox['right']), float(bbox['top'])
        count = 0
        with open(os.path.join(args.output_prefix, '{}.csv'.format(name)), 'w') as f:
            for x, y, z in mercantile.tiles(min_lon, min_lat, max_lon, max_lat, range(args.min_zoom, args.max_zoom + 1)):
                f.write('{}/{}/{}\n'.format(z, x, y))
                count += 1
        print("Wrote out {} tiles to {}".format(count, f.name))