import arcpy
fc = "c:/ArcpyBook/data/TravisCounty/TravisCounty.shp"
# Fetch each feature from the cursor and examine the extent properties and spatial reference
for row in arcpy.da.SearchCursor(fc, ["SHAPE@"]):
  # get the extent of the county boundary
  ext = row[0].extent
  # print out the bounding coordinates and spatial reference
  print "XMin: " + ext.XMin
  print "XMax: " + ext.XMax
  print "YMin: " + ext.YMin
  print "YMax: " + ext.YMax
  print "Spatial Reference: " + ext.spatialReference.name

import arcpy

fc = "c:/data/city.gdb/streets"

# For each row print the Object ID field, and use the SHAPE@AREA
# token to access geometry properties

with arcpy.da.SearchCursor(fc, ("OID@", "SHAPE@AREA")) as cursor:
  for row in cursor:
    print("Feature {0} has an area of {1}".format(row[0], row[1]))

[<map layer u'City of Austin Bldg Permits'>, <map layer u'Hospitals'>, <map layer u'Schools'>, <map layer u'Streams'>, <map layer u'Streets'>, <map layer u'Streams_Buff'>, <map layer u'Floodplains'>, <map layer u'2000 Census Tracts'>, <map layer u'City Limits'>, <map layer u'Travis County'>]