#Import the NumPy library
import numpy as np

#Creating an array
arr = np.array([[1, 2], [3, 4], [1, 2], [5, 6]])

#Converting the rows into tuples
tuples_list = list(map(tuple, arr))

#Extracting unique tuples
unique_tuples = set(tuples_list)

#Converting 'unique_tuples' to an array again
unique_arr = np.array(list(unique_tuples))

#Displays result
print(unique_arr)