count number of occurrences of all elements in list python
import collections
a_list = ["a", "b", "a"]
occurrences = collections.Counter(a_list)
print(occurrences)count number of occurrences of all elements in list python
import collections
a_list = ["a", "b", "a"]
occurrences = collections.Counter(a_list)
print(occurrences)python find number of occurrences in list
student_grades = [9.1, 8.8, 10.0, 7.7, 6.8, 8.0, 10.0, 8.1, 10.0, 9.9]
samebnumber = student_grades.count(10.0)
print(samebnumber)python count occurrences of an item in a list
>>> [1, 2, 3, 4, 1, 4, 1].count(1)
3count occurrence in array python
arr = np.array( [1, 2, 3, 2, 1, 2])
occ = np.count_nonzero(arr==0)
print(occ)
0
occ = np.count_nonzero(arr==1)
print(occ)
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