Tom HarkonenBade

## enum_step.py
def enum_step(seq, start=0, step=1):
    """
    Like the builtin enumerate(seq), but with adjustable stepping.  Useful for backwards enumeration:
    for idx,x in enum_step(reversed(seq), len(seq)-1, -1):
        ...
    """
    for i, x in enumerate(seq):
        yield (start + (i*step), x)
	def enum_step(seq, start=0, step=1):
	"""
	Like the builtin enumerate(seq), but with adjustable stepping. Useful for backwards enumeration:
	for idx,x in enum_step(reversed(seq), len(seq)-1, -1):
	...
	"""
	for i, x in enumerate(seq):
	yield (start + (i*step), x)