/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 vote204 views1 answer
Python drop all variable that start with the same name
Python
0 vote188 views1 answer
Driver code in python
Python
1 vote212 views1 answer
Ls.ProgrammingError: permission denied for table django_migrations
Python
0 vote209 views1 answer
Randomforestregressor in sklearn
Python
0 vote229 views1 answer
[Solved] Pandas TypeError: no numeric data to plot
Python
0 vote246 views1 answer
Keyword python
Python
0 vote200 views1 answer
Python - Comment convertir la corde à la date
Python
-1 vote191 views1 answer
Add gaussian noise python
Python
7 votes226 views3 answers
Pytorch load model
Python
0 vote225 views1 answer
"detail": "Method \"POST\" not allowed." django
Python Django