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)]find frequency of numbers in list python
from collections import Counter
def frequency_table(n):
table = Counter(n)
print('NumbertFrequency')
for number in table.most_common() :
print('{0}t{1}'.format(number[0], number[1]))
# src : Doing Math With PythonCopyright © 2021 Codeinu
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