table continued from previous page sheet extend_columns(columnstake ordereddict to extend named columns pyexcel sheet column_at sheet column_at(indexgets the data at the specified column pyexcel sheet set_column_at sheet set_column_at(column_indexdata_arraystarting= updates column data range it works like this if the call isset_column_at( [' ',' '' '] )+--column_index <starting this function will not set element outside the current table range parameters column_index (intwhich column to be modified data_array (listone dimensional array staring (intfrom which indexthe update happens raises indexerror if column_index exceeds column range or starting exceeds row range pyexcel sheet delete_columns sheet delete_columns(column_indicesdelete one or more columns parameters column_indices (lista list of column indices pyexcel sheet extend_columns sheet extend_columns(columnstake ordereddict to extend named columns parameters columns (ordereddist/lista list of columns data series any column as row name api documentation