plt.rc("ytick", labelsize=15)
// force square figure and square axes looks better for polar, IMO
fig = plt.figure(figsize=(8, 8))
ax = fig.add_axes([0.1, 0.1, 0.8, 0.8],
projection="polar", facecolor="//d5de9c")
After Change
// snippet places the legend"s lower left corner just outside of the polar axes
// at an angle of 67.5 degrees in polar coordinates.
angle = np.deg2rad(67.5)
ax.legend(loc="lower left",
bbox_to_anchor=(.5 + np.cos(angle)/2, .5 + np.sin(angle)/2))
plt.show()
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