linear_regression(x=[1,2,3],y=[4,5,6],point=10)
linear_regression(x=[2,4,6],y=[8,10,12],point=15)
linear_regression(x=[3,6,9],y=[12,15,18],point=20)
linear_regression(x=[4,8,12],y=[16,20,24],point=25)