<｜begin▁of▁sentence｜>### Instruction:
As a composer creating music for a film, you're tasked with visualizing the distribution of musical motifs across different scenes. Imagine you have a script for a movie with 100 scenes, and there's a 20% chance that any given motif appears in any scene. You want to draw and save a histogram showing how many motifs appear in each scene using the "CairoHistogramDrawer" tool from your preferred music composition software.
### Response:
from igraph import Graph
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