from itertools import izip, count def enumerate(a, b=None): "enumerate([start,] iterable)" if b is None: start, iterable = 0, a else: start, iterable = a, b return izip(count(start), iterable)
from itertools import izip, count def enumerate(a, b=None): "enumerate([start,] iterable)" if b is None: start, iterable = 0, a else: start, iterable = a, b return izip(count(start), iterable)