python closure

def multipliers():
  return [lambda x : i * x for i in range(4)]
    
print [m(2) for m in multipliers()]

def multipliers():
  for i in range(4): yield lambda x : i * x
  
  def multipliers():
  return [lambda x, i=i : i * x for i in range(4)]
  
  
from functools import partial
from operator import mul
 
def multipliers():
  return [partial(mul, i) for i in range(4)]