def version_classifiers(vers):
    """
    Create Python Version Classifiers.

    :param list vers: List of python versions as floats.
    """
    data = []
    for ver in vers:
        sub_ver = "Programming Language :: Python :: {}".format(ver)
        data.append(sub_ver)

        main_ver = "Programming Language :: Python :: {}".format(int(ver))
        if main_ver not in data:
            data.append(main_ver)

    return data