import numpy as np

X = np.array([
    [927, 239000],
    [2337, 619000],
    [2142, 225000],
    [1831, 267500],
    [2520, 697500],
    [2565, 375000],
    [2095, 249900],
    [916, 159900],
    [1617, 329900],
    [1446, 325000],
    [1650, 360000],
    [1803, 249900],
    [3076, 599900],
    [2084, 649900],
    [1908, 259900],
    [2759, 395000],
    [4668, 2500000],
    [3692, 80000],
    [2471, 475000],
    [956, 199900],
    [2856, 849000],
    [600, 165000],
    [4034, 985000],
    [3510, 895000],
    [1428, 329000],
    [1538, 365000],
    [2090, 339000]
])