def read_sheet(spreadsheet_id, google, row=0):
    """
        Returns the content of the entire sheet. If a row number above 0 is
        specified, only returns the contents of that row.
    """
    if row > 0:
        return google.values().get(
            spreadsheetId=spreadsheet_id,
            range="Synced-Action-Network-data!A{}".format(row),
        ).execute().get('values', [])
    return google.values().get(
        spreadsheetId=spreadsheet_id,
        range="Synced-Action-Network-data".format(row),
    ).execute().get('values', [])