from typing import Tuple


def layer_size(X, labels, hidden_layer: int = 5) -> Tuple[int, int, int]:
    """
    Get the layer sizes

    Parameters
    ----------
    X : numpy.ndarray
        Features
    Y : numpy.ndarray
        Labels
    hidden_layer : int
        Number of Neurons

    Returns
    -------
    input_layer : int 
        Size of input layer
    hidden_layer : int 
        Number of Neurons within one hidden layer
    output_layer : int
        Size of output layer
    """
    input_layer = X.shape[0]
    hidden_layer = hidden_layer
    output_layer = labels.shape[0]
    return input_layer, hidden_layer, output_layer