def hasManyOccurencies(elt, listx):
    """Find if a point has many similar occurences in a list.

    This function is based on a threshold by default it is 80%.

    Args:
        elt: One element of the list.
        listx: The list of elements

    Returns:
        True if it is a very frequent element, False otherwise.
    """
    _threshold = 80.0
    count = 0
    for i in listx:
        if elt == i:
            count += 1
    goodPercent = count * 100 / len(listx)
    print(goodPercent)
    return goodPercent >= _threshold