cascad-s

## zip_sequences.py
""" Module for zipped two sequences. First - keys, last - values. If
first sequence is longer, values filled "None", else ignore this pair.
"""

import itertools

def zip_sequence(s1, s2):
    try:
        result = dict([i for i in itertools.zip_longest(s1, s2, fillvalue=None) if i[0]])
    except TypeError:
	""" Module for zipped two sequences. First - keys, last - values. If
	first sequence is longer, values filled "None", else ignore this pair.
	"""

	import itertools

	def zip_sequence(s1, s2):
	try:
	result = dict([i for i in itertools.zip_longest(s1, s2, fillvalue=None) if i[0]])
	except TypeError: