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python Programming Glossary: itertools.izip_longesthttp://stackoverflow.com/questions/11318977/zipping-unequal-lists-in-python-in-to-a-list-which-does-not-drop-any-element-fro share improve this question What you seek is itertools.izip_longest a 1 2 3 b 9 10 for i in itertools.izip_longest a b print i ..... you seek is itertools.izip_longest a 1 2 3 b 9 10 for i in itertools.izip_longest a b print i ... 1 9 2 10 3 None EDIT 1 If you really want to.. s then you could try for i in filter None pair for pair in itertools.izip_longest a b print i 1 9 2 10 3 EDIT 2 In response to steveha's comment..
Python: zip-like function that pads to longest length? http://stackoverflow.com/questions/1277278/python-zip-like-function-that-pads-to-longest-length zip share improve this question You can either use itertools.izip_longest python 2.6 or you can use map with None . It is a little known..
Traversing two strings at a time python http://stackoverflow.com/questions/13208126/traversing-two-strings-at-a-time-python python share improve this question you need to use itertools.izip_longest In 7 from itertools import izip_longest In 8 s1 Hi In 9 s2 Giy..
http://stackoverflow.com/questions/1528711/reading-lines-2-at-a-time import itertools with open fn as f for line line2 in itertools.izip_longest f f fillvalue '' print line line2 Alas izip_longest requires.. wrapper def natatime itr fillvalue None n 2 return itertools.izip_longest iter itr n fillvalue fillvalue itertools is generally the best..
Alternative way to split a list into groups of n http://stackoverflow.com/questions/1624883/alternative-way-to-split-a-list-into-groups-of-n improve this question A Python recipe In Python 2.6 use itertools.izip_longest def grouper n iterable fillvalue None grouper 3 'ABCDEFG' 'x'..
how can I iterate through two lists in parallel in Python? [duplicate] http://stackoverflow.com/questions/1663807/how-can-i-iterate-through-two-lists-in-parallel-in-python variable and should be replaced by itertools.izip or itertools.izip_longest which returns an iterator instead of a list. import itertools.. for f b in itertools.izip foo bar print f b for f b in itertools.izip_longest foo bar print f b izip stops when either foo or bar is exhausted...
interleaving 2 lists of unequal lengths [duplicate] http://stackoverflow.com/questions/19883826/interleaving-2-lists-of-unequal-lengths loop indexing share improve this question You can use itertools.izip_longest here from itertools import izip_longest xs 1 2 3 ys hi bye no..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python f1 f1.func_name f2 f2.func_name if not all a b for a b in itertools.izip_longest f1 num f2 num sys.exit Error s s s s f1.func_name num f2.func_name..
Python : Get many list from a list [duplicate] http://stackoverflow.com/questions/4170295/python-get-many-list-from-a-list 3 'ABCDEFG' 'x' ABC DEF Gxx args iter iterable n return itertools.izip_longest fillvalue fillvalue args Which gives tuple grouper 3 1 2 3 4.. iterable n return tuple tuple n for n in t if n for t in itertools.izip_longest args Which gives tuple my_grouper 3 1 2 3 4 5 1 2 3 4 5 Done...
http://stackoverflow.com/questions/4501636/creating-sublists also the grouper idiom In 19 import itertools In 20 list itertools.izip_longest iter seq 3 Out 20 1 2 3 4 5 6 7 8 None but note that missing..
http://stackoverflow.com/questions/4628290/pairs-from-single-list previous last element something that can be achieved with itertools.izip_longest . Finally Note that in Python 3.x zip behaves as itertools.izip..
Multiplying polynomials in python http://stackoverflow.com/questions/5413158/multiplying-polynomials-in-python val Polynomial # add Polynomial res a b for a b in itertools.izip_longest self.coeffs val.coeffs fillvalue 0 else # add scalar if self.coeffs..
python convert list to dictionary [duplicate] http://stackoverflow.com/questions/6900955/python-convert-list-to-dictionary
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