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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 execute(self, sql, *args, **kwargs):
    '''
    Run raw SQL on the database, and receive relaxing output.
    This is sort of the foundational method that most of the
    others build on.
    '''
    try:
      self.cursor.execute(sql, *args)
    except self.sqlite3.InterfaceError, msg:
      raise self.sqlite3.InterfaceError(unicode(msg) + '\nTry converting types or pickling.')
    rows = self.cursor.fetchall()

    self.__commit_if_necessary(kwargs)

    if None == self.cursor.description:
      return None
    else:
      colnames = [d[0].decode('utf-8') for d in self.cursor.description]
      rawdata = [OrderedDict(zip(colnames,row)) for row in rows]
      return rawdata