code: def printDiagnosticsAfterTraining(exp, verbosity=0):
    
    print "Number of connected synapses per cell"
    l2 = exp.getAlgorithmInstance("L2")
  
    numConnectedCells = 0
    connectedSynapses = 0
    for c in range(4096):
      cp = l2.numberOfConnectedProximalSynapses([c])
      if cp>0:
        # print c, ":", cp
        numConnectedCells += 1
        connectedSynapses += cp
  
    print "Num L2 cells with connected synapses:", numConnectedCells
    if numConnectedCells > 0:
      print "Avg connected synapses per connected cell:", float(connectedSynapses)/numConnectedCells
  
    print
docs: Useful diagnostics a trained system for debugging.