Read file in Python

readfile.py

from numpy import*

col1_array = []
col2_array = []
col1_array_index = 1
col2_array_index = 1

for row in file("2columns.txt"):
	row = row.split()
	col1 = row[0]
	col2 = row[1]
	col1_array.insert(col1_array_index, col1)
	col2_array.insert(col2_array_index, col2)
	col1_array_index += 1
	col2_array_index += 1

print "Length of Array 1 = ", len(col1_array)
print "Length of Array 2 = ", len(col2_array)