import requests


def url_is_valid(url):
    """
    Very simple check if URL exists/is valid or not.

    Parameters
    ----------
    url : str
        URL to validate.

    Returns
    -------
    bool

    """
    try:
        r = requests.get(url=url)
        if r.status_code != 200:
            return False
        return True
    except:
        return False