Question

How to calculate the occurrences of words in a list with Python

Answer 1

from collections import Counter

occurrences = Counter()
for word in ['aaa', 'bbb', 'bbb', 'ccc', 'aaa', 'aaa', 'ddd']:
    occurrences[word] += 1

print(occurrences)

'''
run:
 
Counter({'aaa': 3, 'bbb': 2, 'ddd': 1, 'ccc': 1})

'''

 

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Answer 2

from collections import Counter

lst = ['aaa', 'bbb', 'bbb', 'ccc', 'aaa', 'aaa', 'ddd']

occurrences = Counter()
for word in lst:
    occurrences[word] += 1

for item in occurrences.items():
    print(item[0], ":", item[1])

'''
run:
 
aaa : 3
ccc : 1
bbb : 2
ddd : 1

'''

 

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