Breaks a list into 'n' pieces horizontally.

partition_horizontal.py

#!/usr/bin/python

def partition_horizontal(thelist, n):
  """
  break a list into 'n' pieces horizontally
  """
  
  try:
    n = int(n)
    thelist = list(thelist)
  except (ValueError, TypeError):
    return [thelist]
  newlist = [list() for i in range(n)]
  for i, val in enumerate(thelist):
    newlist[i%n].append(val)
  return newlist