<｜begin▁of▁sentence｜>### Instruction:
Given a predefined set of hex color codes in a custom class inheriting from PredefinedPalette, can you use get_many method to retrieve multiple colors at once from this custom palette?
### Response:
from bokeh.palettes import PredefinedPalette

# Define a precalculated palette
class MyPalette(PredefinedPalette):
    palette = ['#ff0000', '#00ff00', '#0000ff']

# Instantiate the palette
my_palette = MyPalette()

# Get multiple colors from the precalculated palette
colors = my_palette.get_many([0, 2])
print(colors)
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