</source>It might be useful to change a list element-by-element, but there are other more efficient methods of changing a list (for example:#Now lets using functions). You will now use the '''dir() ''' and '''help() ''' functions to see what functions and attributes are available for manipulating lists have. The '''help() ''' function will also give us tips on how to use some those functions.<br><br>:#Issue the following:<source>