How to draw vertical lines on a given plot

The standard way to add vertical lines that will cover your entire plot window without you having to specify their actual height is plt.axvline

import matplotlib.pyplot as plt



xcoords = [0.22058956, 0.33088437, 2.20589566]
for xc in xcoords:

You can use many of the keywords available for other plot commands (e.g. color, linestyle, linewidth …). You can pass in keyword arguments ymin and ymax if you like in axes corrdinates (e.g. ymin=0.25, ymax=0.75 will cover the middle half of the plot). There are corresponding functions for horizontal lines (axhline) and rectangles (axvspan).

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