import hashlib
def hash_str(s):
md5 = hashlib.md5()
md5.update(s)
res = int(md5.hexdigest()[:16], base=16)
return bin(res)[2:].zfill(64)
def simhash(words, weights):
words = map(hash_str, words)
def func(pair):
word, weight = pair
return map(lambda ch: weight if ch == '1' else -weight, word)
nums = map(sum, zip(*map(func, zip(words, weights))))
return ''.join(map(lambda num: '1' if num > 0 else '0', nums))
x = 'welcome to beijing'.split()
y = range(len(x))
print int(simhash(x, y), 2)
来源:CSDN
作者:asd991936157
链接:https://blog.csdn.net/ASD991936157/article/details/65464432