Python - read numbers from text file and put into list

Question

So like the title says im starting to learn some python and im having trouble picking up on this technique. What I need to accomplish is to read in some numbers and store t

Answer 1

I do not recommend using append for a big array. It's 50 time slower than creating a zero array and assigning values to it.

import numpy
fname = "D:\Test.txt";
num_lines = sum(1 for line in open(fname));
array = numpy.zeros((num_lines,4));
k = 0;
with open(fname, "r") as ins:
    for line in ins:
        a =[int(i) for i in line.split(' ')];;
         array[k,0:4] =a;
         k = k+1;
print(array)