from sklearn.neighbors import KNeighborsClassifier
import pandas as pd
import numpy as np
data = np.array([
[25,40000,0],
[35,60000,0],
[45,80000,0],
[20,20000,0],
[35,120000,0],
[52,18000,0],
[23,95000,1],
[40,62000,1],
[60,100000,1],
[48,220000,1],
[33,150000,1]
])