gistfile1.py

vertices, faces = [], []
for line in open("teapot.obj"):
    if line.strip(): # not an empty line
        line = line.split()
        if line[0] == "v": # is a vertex?  In the form "v x y z [...]" where x y z are float
            vertices.append(map(float, line[1:])[:3]) # we want first three axis
        elif line[0] == "f": # is a face? In the form "f v1[/t1/...] v2[...] ... vN[...]
            faces.append(map((lambda x: int(x.split("/")[0])), line[1:])) # we only want vertex index