gistfile1.py

from IPython.display import HTML, Javascript, display

display( HTML("""
<button class="toogle-button", id="botao">Mostrar/ocultar célula</button>
"""))

js = """

var cell = $(".selected");
var input_area = $(".input_area", cell);

input_area.hide();

$(document).ready(
function() {


    $( "#botao" ).click(function() {
        input_area.toggle();
        });
    }
);
"""

js = Javascript(js)
display(js)