Reading shapefile of road segments into Python data structure to get begin and end point coordinates [duplicate]

Question

How can I take a shapefile that has road segments and read it into a data structure in Python that I can use to get begin and end points with?

For example x, y to x2, y2.

It's not a large shapefile, just a one with roads for my county. I've previously worked with argisscripting at ArcGIS 9.3 but that was a couple years ago and now I'm rusty and using ArcGIS 10.1.

import arcpy

infc = "C:\\Users\\Jeff\\Downloads\\tl_2013_30063_edges\\tl_2013_30063_edges.shp"

for row in arcpy.da.SearchCursor(infc, ["OID@", "SHAPE@"]):
    # Print the current line ID

    print("Feature {0}:".format(row[0]))

    #Set start point
    startpt = row[1].firstPoint

    #Set Start coordinates
    startx = startpt.X
    starty = startpt.Y

    #Set end point
    endpt = row[1].lastPoint

    #Set End coordinates
    endx = endpt.X
    endy = endpt.Y

This is what one of the features looks like.

FID 16992

Shape Polyline

STATEFP 30

COUNTYFP 063

TLID 205238472

TFIDL 217915003

TFIDR 217914215

MTFCC S1400

FULLNAME S 9th St W

Answer 1

I think what you're asking for could be rather easily accomplished by accessing each feature's geometry object that defines it's shape/geometry. You can read the documentation about it at http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Reading_geometries/002z0000001t000000/

That's for desktop 10.0, but I'm pretty sure 10.1 works the same way.

Anyway, it's got some pretty straight forward examples on that page that I think should be able to walk you through everything (See the example at the bottom of the page for probably the most relevant for your task), but if you still have questions on implementing this for your particular situation, feel free to say something and I'm sure me or someone else on here can help out. All you should have to do is access the geometry object for each feature in arcpy and access the first record and last record in the resulting array (unless you have multi part features, then you just have to add another nested for loop).