Plot size and margins
To set the size of a plot during creation, pass
figsize=(width, height) to the call, such as
fig, ax = plt.subplots(nrows, ncols, figsize=(10,5))
To readjust the size after the plot has been created, use
To change the amount of space allocated to axis labels, use e.g.
which uses 20% of the plot width for the region to the left of the y axis.