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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 _GetLoadConfigTimestamp(self, pefile_object):
 """Retrieves the timestamp from the Load Configuration directory. Args: pefile_object (pefile.PE):
 pefile object. Returns: int: load configuration timestamps or None if there are none present. """

    if not hasattr(pefile_object, 'DIRECTORY_ENTRY_LOAD_CONFIG'):
      return None
    timestamp = getattr(
        pefile_object.DIRECTORY_ENTRY_LOAD_CONFIG.struct, 'TimeDateStamp', 0)
    return timestamp