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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 getDataAtRva(self, rva, size):
 """ Gets binary data at a given RVA. @type rva: int @param rva: The RVA to get the data from. @type size: int @param size: The size of the data to be obtained. @rtype: str @return: The data obtained at the given RVA. """

        return self.getDataAtOffset(self.getOffsetFromRva(rva),  size)