import numpy as np
from numpy import *
import matplotlib.pyplot as plt
dataSet = [[1,2],[3,2],[4,1],[3,3],[8,7],[6,8],[9,3],[4,7],[5,8],[
import numpy as np
from numpy import *
import matplotlib.pyplot as plt
dataSet = [[1,2],[3,2],[4,1],[3,3],[8,7],[6,8],[9,3],[4,7],[5,8],[