Matplotlib and seaborn 3 · Layout and styling
Annotate a point
Add a label with an arrow pointing at a data point.
fig, ax = plt.subplots()
ax.plot(x, np.sin(x))
ax.annotate("peak", xy=(np.pi / 2, 1), xytext=(3, 0.5), arrowprops={"arrowstyle": "->"})
Official Matplotlib and seaborn 3 documentation
More layout and styling commands
All layout and styling commands · Matplotlib and seaborn 3 cheatsheet