#Import the NumPy library
import numpy as np

#Import the NumPy library
import pandas as pd

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

#Converting a NumPy array to pandas DataFrame
df = pd.DataFrame(arr)

#Dropping duplicate rows
unique_df = df.drop_duplicates()

#Converting a pandas DataFrame to NumPy array
unique_arr = unique_df.to_numpy()

#Displays result
print(unique_arr)