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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def strip_and_uniq(tab):
 """Strip every element of a list and keep a list of ordered unique values :param tab: list to strip :type tab: list :return: stripped list with unique values :rtype: list """

    _list = []
    for elt in tab:
        val = elt.strip()
        if val and val not in _list:
            _list.append(val)
    return _list