>>> """
=============
Pgf Texsystem
=============

"""
... 
... import matplotlib.pyplot as plt
... plt.rcParams.update({
...     "pgf.texsystem": "pdflatex",
...     "pgf.preamble": "\n".join([
...          r"\usepackage[utf8x]{inputenc}",
...          r"\usepackage[T1]{fontenc}",
...          r"\usepackage{cmbright}",
...     ]),
... })
... 
... fig, ax = plt.subplots(figsize=(4.5, 2.5))
... 
... ax.plot(range(5))
... 
... ax.text(0.5, 3., "serif", family="serif")
... ax.text(0.5, 2., "monospace", family="monospace")
... ax.text(2.5, 2., "sans-serif", family="sans-serif")
... ax.set_xlabel(r"µ is not $\mu$")
... 
... fig.tight_layout(pad=.5)
... 
... fig.savefig("pgf_texsystem.pdf")
... fig.savefig("pgf_texsystem.png")
...