count similar values in list python
MyList = ["a", "b", "a", "c", "c", "a", "c"]
return my_dict = {i:MyList.count(i) for i in MyList}
# returns :
{'a': 3, 'c': 3, 'b': 1}
# OR
from collections import Counter
return my_dict = dict(Counter(MyList))
# returns :
{'a': 3, 'c': 3, 'b': 1}
# the both returns the same so it's up to you to choose the one you prefere ;)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}python how to count all elements in a list
List = ["Elephant", "Snake", "Penguin"]
print(len(List))
# With the 'len' function Python counts the amount of elements
# in a list (The length of the list).
# In this case the output is '3' because there are 3 elements in the list.python how to count items in array
myArray = [1, 2, 3];
print(len(myArray));
#output
3python 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()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 : 4Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
