count occurrences of element in list python code example
Example 1: how to find no of times a elements in list python
thislist = (1, 3, 7, 8, 7, 5, 4, 6, 8, 5)
x = thislist.count(5)
print(x)
Example 2: How to see how many times somting is in a list python
vowels = ['a', 'e', 'i', 'o', 'i', 'u']
count = vowels.count('i')
Example 3: how to find the number of times a number appears in python
dict((i, a.count(i)) for i in a)
Example 4: 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)
Example 5: count number of repeats in list python
mylist.count(element)
Example 6: count 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)
2