I have a file with a format similar to this:
a,3,4,2,1
3,2,1,a,2
I want to read the file and create an array of lists
in a way that:
array[0] = ['a','3','4','2','1']
array[1] = ['3','2','1','a','2']
How can I do that?
So far I am stuck with:
f = open('./urls-eu.csv', 'r')
for line in f:
arr = line.split(',')
print arr
I am really new to python.
Batteries included:
>>> import csv
>>> array = list( csv.reader( open( r'./urls-eu.csv' ) ) )
>>> array[0]
['a', '3', '4', '2', '1']
>>> array[1]
['3', '2', '1', 'a', '2']
you're almost there, you just need to do:
arr = [line.split(',') for line in open('./urls-eu.csv')]
it iteratively process file line by line, splits each line by comma and accumulates resulting lists into a list of lists. you can drop opening mode ('r') since it's a default one.
