import numpy as np


vec = np.array([1, 2, 3, 4, 5])
print(np.max(vec))
print(np.min(vec))
print(np.median(vec))
print(np.mean(vec))
print(vec.shape)

matrix = np.array([[1, 2], [3, 4]])
print(np.max(matrix))
print(np.min(matrix))
print(np.median(matrix))
print(np.mean(matrix))
print(matrix.shape)