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Python: Contando elementos repetidos (COUNTER e DICT COMPREHENSIONS)
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# a) usando o COUNTER | |
from collections import Counter | |
t = 'gooogle' | |
# o "Counter" recebe uma lista de elementos, e retorna qtas vezes cada elemento se repete, | |
# no final ... apenas estamos transformando em um "dict" ... | |
qtd = dict(Counter(list(t))) | |
# Resultado | |
qtd | |
{'g': 2, 'o': 3, 'l': 1, 'e': 1} | |
# b) usando DICT COMPREHENSIONS | |
t = 'gooogle' | |
# é utilizado o set (conjunto) p/ eliminar os elementos repetidos e coloca tudo num dict comprehension. | |
qtd = {x:t.count(x) for x in set(t)} | |
# Resultado | |
qtd | |
{'o': 3, 'l': 1, 'g': 2, 'e': 1} |
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