/Python/Count how much a number is in an array python

Count how much a number is in an array python

Count values in array python

a = numpy.array([0, 3, 0, 1, 0, 1, 2, 1, 0, 0, 0, 0, 1, 3, 4])
unique, counts = numpy.unique(a, return_counts=True)
dict(zip(unique, counts))

# {0: 7, 1: 4, 2: 1, 3: 2, 4: 1}

Source: stackoverflow.com

Python count of values in array

import numpy as np
y = np.array([0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1])
num_zeros = (y == 0).sum()
num_ones = (y == 1).sum()

Source: stackoverflow.com

Count how much a number is in an array python

# Our array
arr = [82, 49, 82, 82, 41, 82, 15, 63, 38, 25]

# let's print the number of 82 in our array/list
print(arr.count(82))

# it will print : 4

Similar codes

3 votes179 views1 answer
Get python directiory
Python
31 votes209 views3 answers
Django createsuperuser
Python
0 vote154 views1 answer
Summation django queryset
Python Django
0 vote172 views1 answer
Pandas astype str still object
Python
0 vote197 views2 answers
Sympy function definition
Python
1 vote199 views3 answers
Unsplash source
Python
1 vote196 views1 answer
Knowing the sum null values in a specific row in pandas dataframe
Python
2 votes195 views2 answers
How to open a website with selenium python
Python
0 vote184 views1 answer
Get xlim python
Python
0 vote171 views1 answer
Eror api/kernelsUntitled.ipynb?kernel_name=python3
Python