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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 show_user(self, user):
 """ Get a specific user :type user: str :param user: User Email :rtype: dict :return: a dictionary containing user information """

        res = self.post('loadUsers', {'userId': user})
        if isinstance(res, list) and len(res) > 0:
            res = res[0]
        return _fix_user(res)