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python Programming Glossary: d.iteritemsPython: What is the difference between dict.items() and dict.iteritems()? http://stackoverflow.com/questions/10458437/python-what-is-the-difference-between-dict-items-and-dict-iteritems the same object' else print ' tthey are different' print 'd.iteritems ' for k v in d.iteritems if d k is v print ' tthey are the same.. ' tthey are different' print 'd.iteritems ' for k v in d.iteritems if d k is v print ' tthey are the same object' else print '.. object they are the same object they are the same object d.iteritems they are the same object they are the same object they are the..
Dictionary sorting by key length http://stackoverflow.com/questions/11753758/dictionary-sorting-by-key-length 'captchas' 'app' 'Mollom' 'ver' None OrderedDict sorted d.iteritems key lambda x len x 0 OrderedDict 'http bbb.com ' 'ver' '2.2.22'..
In-memory size of python stucture http://stackoverflow.com/questions/1331471/in-memory-size-of-python-stucture decimal.Decimal 0 ... object object ... for k v in sorted d.iteritems ... print k sys.getsizeof v ... decimal 40 dict 140 float 16..
Understanding performance difference http://stackoverflow.com/questions/17640235/understanding-performance-difference KEY curr curr 1 # move to next node def iteritems self 'od.iteritems an iterator over the key value pairs in od' for k in self yield.. pass def f3 for v in d.itervalues pass def f4 for t in d.iteritems pass print Timer stmt 'f1 ' setup 'from __main__ import f1'.. f1od_min return min od key od.get def f2od_min return min od.iteritems key itemgetter 1 0 def f1d_min return min d key d.get def f2d_min..
http://stackoverflow.com/questions/19125680/overriding-a-pandas-dataframe-column-with-dictionary-values-where-the-dictionar there were duplicates in column a then for a_val b_val in d.iteritems df 'b' df.a a_val b_val or to avoid chaining assignment operations.. to avoid chaining assignment operations for a_val b_val in d.iteritems df.loc df.a a_val 'b' b_val Note that to use loc you must be..
(Python) algorithm to randomly select a key based on proportionality/weight http://stackoverflow.com/questions/2570690/python-algorithm-to-randomly-select-a-key-based-on-proportionality-weight d r random.uniform 0 sum d.itervalues s 0.0 for k w in d.iteritems s w if r s return k return k def Test k 'A' 68 'B' 62 'C' 47..
pretty printing nested dictionaries in Python? http://stackoverflow.com/questions/3229419/pretty-printing-nested-dictionaries-in-python function like this def pretty d indent 0 for key value in d.iteritems print ' t' indent str key if isinstance value dict pretty value..
How to check arguments of the function? http://stackoverflow.com/questions/3247833/how-to-check-arguments-of-the-function out or the way... def check_arguments d for name value in d.iteritems check_attribute name value and the function would be just def..
Iterating over Dictionaries…For Loops in Python http://stackoverflow.com/questions/3294889/iterating-over-dictionaries-for-loops-in-python loop over both key and value you can use for key value in d.iteritems Test for yourself change the word key to poop EDIT For Python..
In Python, how to I iterate over a dictionary in sorted order? http://stackoverflow.com/questions/364519/in-python-how-to-i-iterate-over-a-dictionary-in-sorted-order works in Python 2.5.2. d x 2 h 15 a 2222 it iter sorted d.iteritems it.next 'a' 2222 it.next 'h' 15 it.next 'x' 2 share improve..
Slicing a dictionary by keys that start with a certain string http://stackoverflow.com/questions/4558983/slicing-a-dictionary-by-keys-that-start-with-a-certain-string
How can I convert a Python dictionary to a list of tuples? http://stackoverflow.com/questions/674519/how-can-i-convert-a-python-dictionary-to-a-list-of-tuples 'a' 1 'b' 2 'c' 3 d.items 'a' 1 'c' 3 'b' 2 v k for k v in d.iteritems 1 'a' 3 'c' 2 'b' It's not in the order you want but dicts don't..
Python: Modify a dict to make the key a value, and a value the key http://stackoverflow.com/questions/6776860/python-modify-a-dict-to-make-the-key-a-value-and-a-value-the-key 'd' '2' 'e' 'f' 'g' 'h' In 13 dict v 1 v 1 k for k v in d.iteritems Out 13 'd' 'a' 'b' 'c' '1' 'h' 'e' 'f' 'g' '2' k is the original..
Construct a tree from list os file paths (Python) - Performance dependent http://stackoverflow.com/questions/8484943/construct-a-tree-from-list-os-file-paths-python-performance-dependent structure with proper indentation. ''' for key value in d.iteritems if key FILE_MARKER if value print ' ' indent str value else..
custom dict that allows delete during iteration http://stackoverflow.com/questions/9023078/custom-dict-that-allows-delete-during-iteration iterate over it deferring deletes with ddd for k v in ddd.iteritems if k is a del ddd k print ddd # shows that a is still there.. dict a 1 b 2 c 3 with deferring_delete d as dd for k v in d.iteritems if k is a del dd k # delete through wrapper print d It's even..
python: find only common key-value pairs of several dicts: dict intersection http://stackoverflow.com/questions/9906944/python-find-only-common-key-value-pairs-of-several-dicts-dict-intersection share improve this question dict set.intersection set d.iteritems for d in dicts 'a' 3 Note This solution requires the dictionary..
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