import numpy as np
from numpy import linalg as LA
 
 
array1 = np.array([[1, 2], [3, 4]])
 
# Original 2-d array
print(array1)
 
# Determinant of the said 2-D array
print(np.linalg.det(array1))

[[1 2]
 [3 4]]
-2.0000000000000004

import numpy as np
from numpy import linalg as LA
 
 
array1 = np.array([[1, 2, 3], [3, 4, 1], [3, 2, 1]])
 
# Original 2-d array
print(array1)
 
# Determinant of the said 2-D array
print(np.linalg.det(array1))

[[1 2 3]
 [3 4 1]
 [3 2 1]]
-15.999999999999998