# https://www.globalsino.com/ICs/page4853.html
# Euclidean distance

import numpy as np

def euclidean_distance(data1, data2):
    distance = np.sqrt(np.sum(data1-data2)**2)
    return distance

a = np.array([6,7])
b = np.array([9,8])

print(euclidean_distance(a,b))