<｜begin▁of▁sentence｜>### Instruction:
Given a palette created with 150 colors using the RainbowPalette class from igraph, how can you determine the number of colors present in the palette?
### Response:
from igraph.drawing.colors import RainbowPalette

# Create a RainbowPalette object with a specified number of colors
palette = RainbowPalette(n=150)

# Use __len__ to get the number of colors in the palette
number_of_colors = len(palette)

print(f'The palette contains {number_of_colors} colors.')
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