Insert the correct syntax for printing the number 50 from the array.
arr = np.array([[10, 20, 30, 40], [50, 60, 70, 80]])
print(arr@(6))
arr = np.array([[10, 20, 30, 40], [50, 60, 70, 80]])
print(arr[1, 0])
arr = np.array([[10, 20, 30, 40], [50, 60, 70, 80]])
print(arr[1,0])