>>> """
=========
Stem Plot
=========

`~.pyplot.stem` plots vertical lines from a baseline to the y-coordinate and
places a marker at the tip.
"""
... import matplotlib.pyplot as plt
... import numpy as np
... 
... x = np.linspace(0.1, 2 * np.pi, 41)
... y = np.exp(np.sin(x))
... 
... plt.stem(x, y)
... plt.show()
... 
... #############################################################################
... #
... # The position of the baseline can be adapted using *bottom*.
... # The parameters *linefmt*, *markerfmt*, and *basefmt* control basic format
... # properties of the plot. However, in contrast to `~.pyplot.plot` not all
... # properties are configurable via keyword arguments. For more advanced
... # control adapt the line objects returned by `.pyplot`.
... 
... markerline, stemlines, baseline = plt.stem(
...     x, y, linefmt='grey', markerfmt='D', bottom=1.1)
... markerline.set_markerfacecolor('none')
... plt.show()
... 
... #############################################################################
... #
... # .. admonition:: References
... #
... #    The use of the following functions, methods, classes and modules is shown
... #    in this example:
... #
... #    - `matplotlib.axes.Axes.stem` / `matplotlib.pyplot.stem`
...