Consider the following code from the Plotly tutorial:

text_widget = widgets.HTML(description="Selection:", value="[]")

fig = go.FigureWidget()
fig.update_layout(width=700, height=500)
scatter = go.Scatter(x=iris["petal_width"], y=iris["sepal_length"], mode="markers")
fig.add_trace(scatter)

def selection_function(trace, points, selector):
inds = points.point_inds
text_widget.value = str(inds)

fig.data[-1].on_selection(selection_function)

Which of the following statements are true?

Question

Consider the following code from the Plotly tutorial: 
 
 text_widget = widgets.HTML(description="Selection:", value="[]")

fig = go.FigureWidget() 
 fig.update_layout(width=700, height=500) 
 scatter = go.Scatter(x=iris["petal_width"], y=iris["sepal_length"], mode="markers") 
 fig.add_trace(scatter)

def selection_function(trace, points, selector): 
     inds = points.point_inds 
     text_widget.value = str(inds)

fig.data[-1].on_selection(selection_function)

Which of the following statements are true?

Answer

.on_selection(...)  allows us to handle selections on the scatter trace.

Answer

Our  selection_function  updates the text in an HTML widget.

Answer

FigureWidget  is a built-in type of Jupyter widget.

Answer

fig.data[-1]  is the last item in the plotted iris dataset.

Crowdly

Consider the following code from the Plotly tutorial: text_widget = widgets....

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