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#%install_ext https://raw.githubusercontent.com/rasbt/python_reference/master/ipython_magic/watermark.py
%reload_ext watermark
%watermark --author "Saulo Aflitos" --date --updated --python --hostname --machine --githash --packages numpy,scipy,matplotlib,pandas,IPython


    

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#http://stackoverflow.com/questions/27934885/how-to-hide-code-from-cells-in-ipython-notebook-visualized-with-nbviewer
#from IPython.display import HTML

#output_scroll overflow undef
#output_scroll height undef

from IPython.display import HTML, display

display(HTML('''<script>

scroll_show=true; 
function scroll_toggle() {
    if (scroll_show){
        $('.output_scroll').css('overflow', 'visible');
        $('.output_scroll').css('height'  , 'auto'   );

        var classes_to_hide = ['div.input', 'div.output_stderr', 'div.output_prompt', 'div.input_prompt', 'div.prompt', 'div.out_prompt_overlay.prompt'];

        for ( var c in classes_to_hide ) {
            $(classes_to_hide[c]).hide();
            $(classes_to_hide[c]).css('visibility', 'hidden');
        }
    } else {
        $('.output_scroll').css('overflow', 'scroll');
        $('.output_scroll').css('height'  , '2.4em' );

        var classes_to_hide = ['div.input', 'div.output_stderr', 'div.output_prompt', 'div.input_prompt', 'div.prompt', 'div.out_prompt_overlay.prompt'];

        for ( var c in classes_to_hide ) {
            $(classes_to_hide[c]).show();
            $(classes_to_hide[c]).css('visibility', 'visible');
        }
    }
    scroll_show = !scroll_show;
} 
$( document ).ready(scroll_toggle);
</script>
<form action="javascript:scroll_toggle()"><input type="submit" value="Click here to toggle on/off the raw code."></form>'''))