import numpy as np


# x1 = np.random.random((2, 2))
# print(x1)
# t =x1[0] - x1[1]
# print(t)
# e = np.square(t)
# print(e)
# c = np.sum(e)
# print(c)
# q = np.sqrt(c)
# print(q)


# x1 = 2 * np.random.normal(0.5, 0.01, size=(10, 1))
# x11 = np.linspace(0, 2, num=10, endpoint=True)
#
# print(x1)
# print(x11)
x1 = np.random.uniform(0, 1, size=(3, 3))
print(x1)
x2 = x1[:,0:2]
print(x2)