training

num = len(X_train) # Compute the number of points in X_train
distance = np.zeros(num) # Initialize a numpy arrays of zeros
for i in range(num):
    distance[i] = dist(X_train[i], X_test) # Compute distance from X_train[i] to X_test
print(distance)
[ 3.60555128  1.80277564  2.8         3.39705755  5.83095189  4.47213595]