Python：从数组中提取索引值

A2 = np.array([[0 6]
               [15 1]
                [1 15]]) 

A3 = [15 1] 

def search_two_elements_of_array_in_array(arr,arr2):
    """
    :return: index if two elements of arr are in arr2 numpy array and print index
    """
    for i in range(len(arr)):
        if arr[i] in arr2:
            print(i)
            return i
    return -1