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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit cb5bb5e222
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Task/Entropy/Python/entropy-2.py Normal file
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from math import log2
from collections import Counter
def entropy(s):
p, lns = Counter(s), float(len(s))
return log2(lns) - sum(count * log2(count) for count in p.values()) / lns
print(entropy("1223334444"))