def create_droplist(keywords, cols):
    """
    This function creates a list with all feauters in which the given keywords occur.

    Args:
        keywords (list): list with keywords to drop
        cols (list): list with feauters
    """
    drops = []
    for key in keywords:
        for col in cols:
            if key in col:
                drops.append(col)
    return drops