def merge_two_dicts(x, y):
    """A quick function to combine dictionaries.

    Parameters
    ----------
    x : dict
        Dictionary 1.
    y : dict
        Dictionary 2.

    Returns
    -------
    dict
        The merged dictionary.

    """
    z = x.copy()   # start with keys and values of x
    z.update(y)    # modifies z with keys and values of y
    return z