def combine_dict_elements(list_of_dicts):
    """Combine into single list the elements with the same key across several dicts

    Args:
        list_of_dicts (list): list of dicts with matching keys

    Returns:
        dict: combined single dict
    """
    combined_dict = {}

    for d in list_of_dicts:
        for k, v in d.items():
            if k not in combined_dict:
                combined_dict[k] = []
            combined_dict[k].append(v)

    return combined_dict