How to convert a counter collection into a list

Question

I need to convert a the output of a counter collection into a list

My counter output is:

Counter({2017: 102, 2018: 95, 2015: 87,})

I want to convert this into something like this:

[[year,count],[year,count],[year,count]]

Asked By: Kanan N

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Source

Answer 1

you can use Counter(…).items()

from collections import Counter

cnt = Counter({2017: 102, 2018: 95, 2015: 87})

print(cnt.items())
>>> dict_items([(2017, 102), (2018, 95), (2015, 87)])

your can convert this to the format you wanted:

your_list = [list(i) for i in cnt.items()]

print(your_list)
>>> [[2017, 102], [2018, 95], [2015, 87]]

Answered By: Raphael

Answer 2

In this example I wanted to covert mis collection into a list and then into a df so I did this

lista_conteos = [list(i) for i in n_palabra.items()]
palabras = []
conteos = []
for i in range(0, len(lista_conteos)):
    palabras.append(lista_conteos[i][0][0])
    conteos.append(lista_conteos[i][1])

Answered By: Joselin Ceron

Answer 3

You can use most_common() method of Counter to turn out a list of tuples showing values together

c = Counter({2017: 102, 2018: 95, 2015: 87,})
m = c.most_common()
print(m)

>>> [(2017, 102), (2018, 95), (2015, 87)]

You can convert the result to a list of lists instead of tuples by doing this:

print([list(i) for i in c.items()])

Answered By: altruistic

How to convert a counter collection into a list

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