Update Figure.inset in examples/gallery/embellishments/inset.py to the Pythonic syntax

Author: seisman

examples/gallery/embellishments/inset.py

@@ -2,33 +2,32 @@
 Inset
 =====
 
-The :meth:`pygmt.Figure.inset` method adds an inset figure inside a larger
-figure. The method is called using a ``with`` statement, and its ``position``,
-``box``, ``offset``, and ``clearance`` parameters are set. Plotting methods
-called within the ``with`` statement are applied to the inset figure.
+The :meth:`pygmt.Figure.inset` method adds an inset figure inside a larger figure. The
+method is called using a ``with`` statement. Plotting methods called within the ``with``
+statement are applied to the inset figure.
 """
 
 # %%
 import pygmt
-from pygmt.params import Box
+from pygmt.params import Box, Position
 
 fig = pygmt.Figure()
-# Create the primary figure, setting the region to Madagascar, the land color
-# to "brown", the water to "lightblue", the shorelines width to "thin", and
-# adding a frame
+# Create the primary figure, setting the region to Madagascar, the land color to
+# "brown", the water to "lightblue", the shorelines width to "thin", and adding a frame
 fig.coast(region="MG+r2", land="brown", water="lightblue", shorelines="thin", frame="a")
 # Create an inset, placing it in the Top Left (TL) corner with a width of 3.5 cm and
 # x- and y-offsets of 0.2 cm. The clearance is set to 0, and the border is "gold" with a
 # pen size of 1.5 points.
-with fig.inset(position="jTL+w3.5c+o0.2c", clearance=0, box=Box(pen="1.5p,gold")):
+with fig.inset(
+    position=Position("TL", offset=0.2),
+    width=3.5,
+    clearance=0,
+    box=Box(pen="1.5p,gold"),
+):
     # Create a figure in the inset using coast. This example uses the azimuthal
-    # orthogonal projection centered at 47E, 20S. The land color is set to
-    # "gray" and Madagascar is highlighted in "red3".
+    # orthogonal projection centered at 47E, 20S. The land color is set to "gray" and
+    # Madagascar is highlighted in "red3".
     fig.coast(
-        region="g",
-        projection="G47/-20/?",
-        land="gray",
-        water="white",
-        dcw="MG+gred3",
+        region="g", projection="G47/-20/?", land="gray", water="white", dcw="MG+gred3"
     )
 fig.show()