csv to sparse matrix in python

Question

I have a big csv file which lists connections between nodes in a graph. example:

0001,95784
0001,98743
0002,00082
0002,00091

So this means that

Answer 1

If you want an adjacency matrix, you can do something like:

from scipy.sparse import *
from scipy import *
from numpy import *
import csv
S = dok_matrix((10000,10000), dtype=bool)
f = open("your_file_name")
reader = csv.reader(f)
for line in reader:
    S[int(line[0]),int(line[1])] = True