def corr(arraya, arrayb, show):
    a = np.subtract(arraya, np.mean(arraya))
    b = np.subtract(arrayb, np.mean(arrayb))
    corr = (np.sum(np.multiply(a, b)) / np.sqrt(np.multiply(np.sum(np.power(a, 2)), np.sum(np.power(b, 2)))))
    return corr
def corr(arraya, arrayb, show):
    a = np.subtract(arraya, np.mean(arraya))
    b = np.subtract(arrayb, np.mean(arrayb))
    corr = (np.sum(np.multiply(a, b)) / np.sqrt(np.multiply(np.sum(np.power(a, 2)), np.sum(np.power(b, 2)))))
    return corr