def lower_case_underscore_to_camel_case(text):
    """
    Converts string or unicdoe from lower case underscore to camel case
    :param text: str, string to convert
    :return: str
    """
    split_string = text.split('_')
    class_ = text.__class__
    return split_string[0] + class_.join('', map(class_.capitalize,
        split_string[1:]))
