put odd before even

gistfile1.py

# !/usr/bin/python
# -*- encoding: utf-8 -*-


array = [1, 2, 3, 4 ,5 ,6, 7, 8, 9]

odd_pos = 0

for index in range(len(array)):
    if array[index] & 1 == 1:
        array[odd_pos], array[index] = array[index], array[odd_pos]
        odd_pos += 1

print array