human
Complete this python program:
def _deep_deannotate(element, values=None):
assistant
#Here is the Python code you requested.

    """Deep copy the given element, removing annotations.
    """
    cloned = util.column_dict()
    def clone(elem):
        if (values or (elem not in cloned)):
            newelem = elem._deannotate(values=values, clone=True)
            newelem._copy_internals(clone=clone)
            if (not values):
                cloned[elem] = newelem
            return newelem
        else:
            return cloned[elem]
    if (element is not None):
        element = clone(element)
    return element