# Write a NumPy program to get the unique elements of an array.  
 import numpy as np
x = np.array([10, 10, 20, 20, 30, 30])
print("Original array:")
print(x)
print("Unique elements of the above array:")
print(np.unique(x))
x = np.array([[1, 1], [2, 3]])
print("Original array:")
print(x)
print("Unique elements of the above array:")
print(np.unique(x))
