from scipy import spatial
dataSetI = [3, 45, 7, 2]
dataSetII = [2, 54, 13, 15]
result = 1 - spatial.distance.cosine(dataSetI, dataSetII)
from numpy import dot
from numpy.linalg import norm
def cosine_similarity(list_1, list_2):
cos_sim = dot(list_1, list_2) / (norm(list_1) * norm(list_2))
return cos_sim
np.inner(a, b) = sum(a[:]*b[:])