/Python/Find frequency of numbers in list python

Find frequency of numbers in list python

from collections import Counter

def frequency_table(n):
    table = Counter(n)
    print('Number\tFrequency')
    for number in table.most_common() :
        print('{0}\t{1}'.format(number[0], number[1]))
        
# src : Doing Math With Python

List count frequency python

import collections
a = [1,1,1,1,2,2,2,2,3,3,4,5,5]
counter=collections.Counter(a)
print(counter)
# Counter({1: 4, 2: 4, 3: 2, 5: 2, 4: 1})
print(counter.values())
# [4, 4, 2, 1, 2]
print(counter.keys())
# [1, 2, 3, 4, 5]
print(counter.most_common(3))
# [(1, 4), (2, 4), (3, 2)]

Source: stackoverflow.com

Similar codes

0 vote346 views1 answer
Record audio with processing python
Python
38 votes315 views4 answers
Pandas insert row
Python
0 vote294 views1 answer
Python observer pattern
Python
0 vote313 views1 answer
Interval time specification
Python
13 votes287 views2 answers
Try catch if else python
Python
2 votes330 views1 answer
Grams in kg
Python
0 vote314 views1 answer
Strip array of strings python
Python
3 votes320 views2 answers
Flask db migrate
Python
0 vote312 views1 answer
To_datetime with non zero padded values python
Python
5 votes299 views4 answers
Brew update python
Python