import numpy as np 
import pandas as pd 

my_matrix = np.eye(5)
my_second_matrix = np.array[[1,2,3,4]],
                            [2,3,4,5],
                            [4,0,9,8]
                            [7,7,7,"hello", "puppies", "blah"]]
                        

print(my_matrix)
print(my_second_matrix) 
print("hello")
print("goodbye")
print ("puppies")