/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

0 vote145 views1 answer
Import math print(m.cos(10))
Python
1 vote200 views1 answer
How to remove plotly toolbar
Python
0 vote149 views1 answer
How to average only positive number in array numpy
Python
0 vote150 views1 answer
Assert vs validate in python
Python
0 vote146 views1 answer
Fix misspelled in Wikipedia library on python
Python
1 vote158 views2 answers
Python regex find first
Python
18 votes149 views6 answers
Install Django Windows
Python
0 vote169 views1 answer
List comprehesion python
Python
1 vote138 views1 answer
Django pass data between views
Python Django
12 votes142 views4 answers
Rotate labels matplotlib
Python