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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 get_user(self):
 """ returns the username on this computer """

        for name in ('LOGNAME', 'USER', 'LNAME', 'USERNAME'):
            user = os.environ.get(name)
            if user:
                break     
        for u in users:
            if u['name'] == user:
                return u['type'], u['name']