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Error in cheat sheet

the ‘3D surface plots’ example in cheat sheet seems oddly bracketed:
When I run it, says ‘Unexpected token )’

trace = {
colorscale = ‘Viridis’,
z = [[3,5,7,9),
[[21,13,8,5]] };

Plotly.newPlot('myDiv', [trace]);

Hi
correct configuration would be

trace = {
type : ‘surface’,
colorscale : ‘Viridis’,
z : [[3,5,7,9],[21,13,8,5]]
}

Here z axis would be a two dimensional array. Also replace the ‘=’ sign with ‘:’ inside the trace variable.