docs: def get_network_name(self):
          """
          Retruns the name of the network
  
          Example
          ---------------
          >>> from pgmpy.readwrite import BIFReader
          >>> reader = BIF.BifReader("bif_test.bif")
          >>> reader.network_name()
          'Dog-Problem'
          """
          start = self.network.find('network')
          end = self.network.find('}\n', start)
          # Creating a network attribute
          network_attribute = Suppress('network') + Word(alphanums + '_' + '-') + '{'
          network_name = network_attribute.searchString(self.network[start:end])[0][0]
  
          return network_name