def camelify(s):
    """Helper function to convert a snake_case name to camelCase."""
    start_index = len(s) - len(s.lstrip("_"))
    end_index = len(s.rstrip("_"))
    sub_strings = s[start_index:end_index].split("_")
    return (s[:start_index]
            + sub_strings[0]
            + "".join([w[0].upper() + w[1:] for w in sub_strings[1:]])
            + s[end_index:])