Count the number of occurrences of characters in a string

counter.py

from collections import Counter

string = "Kunal Chhabra"
search_char = "a"

counter = Counter(string.lower())

print(counter)
# output -> Counter({'a': 3, 'h': 2, 'k': 1, 'u': 1, 'n': 1, 'l': 1, ' ': 1, 'c': 1, 'b': 1, 'r': 1})

print(counter[search_char])
# output -> 3