previsao preco arroz e feijao com python MACHINE LEARN

 from sklearn.linear_model import LinearRegression

import numpy as np

x=np.array([

    [1,1],

    [2,2],

    [2,2]

])

y=np.array([10,22,11])

modelo=LinearRegression()

modelo.fit(x,y)

preco=modelo.predict([[2,2]])

print(preco[0])