python Programming Glossary: collections.counter

Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

http://stackoverflow.com/questions/11011756/is-there-any-pythonic-way-to-combine-two-dicts-adding-values-for-keys-that-appe

python dictionary share improve this question Use collections.Counter from collections import Counter A Counter 'a' 1 'b' 2 'c' 3..

Python: Elegantly merge dictionaries with sum() of values [duplicate]

http://stackoverflow.com/questions/11290092/python-elegantly-merge-dictionaries-with-sum-of-values

instead update self iterable None kwds unbound collections.Counter method Like dict.update but add counts instead of replacing..

Counter in Collections module Python

http://stackoverflow.com/questions/13311094/counter-in-collections-module-python

import collections # when calling Counter I would then use collections.Counter import collections as collect # collect.Counter For both of.. You are most likely using Python 2.6 or older. From the collections.Counter documentation New in version 2.7. On python 2.5 or 2.6 use this..

Find the first non-repeated character in a string

http://stackoverflow.com/questions/14511340/find-the-first-non-repeated-character-in-a-string

this question In 1033 def firstNonRep word ...... c collections.Counter word ...... for char in word ...... if c char 1 ...... return..

http://stackoverflow.com/questions/14720324/compute-the-similarity-between-two-lists

set similarity share improve this question Use collections.Counter perhaps those are multi sets or bags in datatype parlance from..

Python list help (incrementing count, appending)

http://stackoverflow.com/questions/16172268/python-list-help-incrementing-count-appending

python arrays list share improve this question With collections.Counter you could do from collections import Counter # initial values..

Find and replace duplicates in Array, but replace each nth instance with a different string

http://stackoverflow.com/questions/16943968/find-and-replace-duplicates-in-array-but-replace-each-nth-instance-with-a-diffe

'champ' 'king' 'king' 'mak' 'mak' 'mak' dupes x for x y in collections.Counter SampleArray .items if y 1 length len dupes count 0 while count.. 'pause' python share improve this question I'd use collections.Counter from collections import Counter numbers word iter if count 1..

How to find duplicate elements in array using for loop in python like c/c++?

http://stackoverflow.com/questions/1920145/how-to-find-duplicate-elements-in-array-using-for-loop-in-python-like-c-c

import collections x 1 2 3 5 6 7 5 2 x 1 2 3 5 6 7 5 2 y collections.Counter x y Counter 2 2 5 2 1 1 3 1 6 1 7 1 Unique List list y 1 2 3..

Count the number of unique elements of a list of tuples regardless of order in Python

http://stackoverflow.com/questions/20029048/count-the-number-of-unique-elements-of-a-list-of-tuples-regardless-of-order-in-p

python list set share improve this question Using collections.Counter and frozenset from collections import Counter Counter map frozenset..

Python - Is a dictionary slow to find frequency of each character?

http://stackoverflow.com/questions/2522152/python-is-a-dictionary-slow-to-find-frequency-of-each-character

flexible chars open filename .read print textwrap.fill str collections.Counter chars width 79 Run it time p python3.1 count_char.py usr share..

In Python, when to use a Dictionary, List or Set?

http://stackoverflow.com/questions/3489071/in-python-when-to-use-a-dictionary-list-or-set

count for items present more than once can be found in collections.Counter you could build one as a dict if for some weird reason you couldn't..

Finding the most frequent character in a string

http://stackoverflow.com/questions/4131123/finding-the-most-frequent-character-in-a-string

Python 2.7 or later import collections s helloworld print collections.Counter s .most_common 1 0 If you don't have that you can do the tally..

find the most frequent number in a numpy vector

http://stackoverflow.com/questions/6252280/find-the-most-frequent-number-in-a-numpy-vector

if you just want to work in python without using numpy collections.Counter is a good way of handling this sort of data. from collections..

Allocate items according to an approximate ratio in Python

http://stackoverflow.com/questions/8685308/allocate-items-according-to-an-approximate-ratio-in-python

high_count g allocate_goals prop_low prop_high return collections.Counter itertools.islice g players for goals in xrange 2 9 print goals..

Determine if 2 lists have the same elements, regardless of order?

http://stackoverflow.com/questions/8866652/determine-if-2-lists-have-the-same-elements-regardless-of-order

with the elements of x and y are equal import collections collections.Counter x collections.Counter y If the elements are sortable another.. x and y are equal import collections collections.Counter x collections.Counter y If the elements are sortable another alternative is sorted..

Find and list duplicates in Python list

http://stackoverflow.com/questions/9835762/find-and-list-duplicates-in-python-list