Python Program to Count Occurrences of Items in a Python List Using counter()
# Count the Occurrence of an Item in a List Using Counter() in python
from collections import Counter
# declaring the list
l = [1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 3, 3]
# driver program
x = 3
d = Counter(l)
print('{} has occurred {} times'.format(x, d[x]))
Output:
3 has occurred 5 times