mpl_toolkits.mplot3d.art3d.get_colors
- 
mpl_toolkits.mplot3d.art3d.get_colors(c, num)[source] - 
Stretch the color argument to provide the required number num.
 
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    https://matplotlib.org/3.0.0/api/_as_gen/mpl_toolkits.mplot3d.art3d.get_colors.html