1from collections import Counter
2list1 = ['x','y','z','x','x','x','y','z']
3print(Counter(list1))
4
1import collections
2
3print collections.Counter(['a', 'b', 'c', 'a', 'b', 'b'])
4print collections.Counter({'a':2, 'b':3, 'c':1})
5print collections.Counter(a=2, b=3, c=1)
6
1>>> # Tally occurrences of words in a list
2>>> cnt = Counter()
3>>> for word in ['red', 'blue', 'red', 'green', 'blue', 'blue']:
4... cnt[word] += 1
5>>> cnt
6Counter({'blue': 3, 'red': 2, 'green': 1})
7
8>>> # Find the ten most common words in Hamlet
9>>> import re
10>>> words = re.findall(r'\w+', open('hamlet.txt').read().lower())
11>>> Counter(words).most_common(10)
12[('the', 1143), ('and', 966), ('to', 762), ('of', 669), ('i', 631),
13 ('you', 554), ('a', 546), ('my', 514), ('hamlet', 471), ('in', 451)]
14
1Counter({'o': 3, ' ': 3, 'u': 3, 'e': 2, 'l': 2, 't': 2, 'r': 2, '9': 2, 'W': 1,
2 'c': 1, 'm': 1, 'G': 1, 'T': 1, 'i': 1, 'a': 1, 's': 1, '!': 1})
3
1from collections import Counter
2my_str = "Welcome to Guru99 Tutorials!"
3print(Counter(my_str))