PyDoc: use complete sentences in comments for templates & examples

doc/python_api/examples/mathutils.Euler.py

@@ -1,32 +1,32 @@
 import mathutils
 import math
 
-# create a new euler with default axis rotation order
+# Create a new euler with default axis rotation order.
 eul = mathutils.Euler((0.0, math.radians(45.0), 0.0), 'XYZ')
 
-# rotate the euler
+# Rotate the euler.
 eul.rotate_axis('Z', math.radians(10.0))
 
-# you can access its components by attribute or index
+# You can access its components by attribute or index.
 print("Euler X", eul.x)
 print("Euler Y", eul[1])
 print("Euler Z", eul[-1])
 
-# components of an existing euler can be set
+# Components of an existing euler can be set.
 eul[:] = 1.0, 2.0, 3.0
 
-# components of an existing euler can use slice notation to get a tuple
+# Components of an existing euler can use slice notation to get a tuple.
 print("Values: {:f}, {:f}, {:f}".format(*eul))
 
-# the order can be set at any time too
+# The order can be set at any time too.
 eul.order = 'ZYX'
 
-# eulers can be used to rotate vectors
+# Eulers can be used to rotate vectors.
 vec = mathutils.Vector((0.0, 0.0, 1.0))
 vec.rotate(eul)
 
-# often its useful to convert the euler into a matrix so it can be used as
-# transformations with more flexibility
+# Often its useful to convert the euler into a matrix so it can be used as
+# transformations with more flexibility.
 mat_rot = eul.to_matrix()
 mat_loc = mathutils.Matrix.Translation((2.0, 3.0, 4.0))
 mat = mat_loc @ mat_rot.to_4x4()