How to make an axes occupy multiple subplots with pyplot (Python)

Question

I would like to have three plots in single figure. The figure should have a subplot layout of two by two, where the first plot should occupy the first two subplot cells (i.e. th

Answer 1

The Using Gridspec to make multi-column/row subplot layouts shows a way to do this with GridSpec. A simplified version of the example with 3 subplots would look like

import matplotlib.pyplot as plt

fig = plt.figure()

gs = fig.add_gridspec(2,2)
ax1 = fig.add_subplot(gs[0, 0])
ax2 = fig.add_subplot(gs[0, 1])
ax3 = fig.add_subplot(gs[1, :])

plt.show()