<｜begin▁of▁sentence｜>### Instruction:
Given a precalculated color palette, how do you retrieve a specific color (e.g., the color at index 3) from this palette to use it for plotting elements in a Bokeh plot?
### Response:
from bokeh.palettes import mpl

# Assume we have a 'PrecalculatedPalette' object called 'precalc_palette'
# Get a color from the palette at index 3
selected_color = precalc_palette.get(3)
# Use the selected color for a Bokeh plot element
plot.circle(x, y, color=selected_color)
<|EOT|>
