parameters: (self)
return_statement: return len([h for h in self._histograms if h is not None])
docstring: Return number of existing histograms.
docstring_summary: Return number of existing histograms.
docstring_tokens: Return number of existing histograms .
function: def getNumberOfHistograms(self):
          """Return number of existing histograms."""
          return len([h for h in self._histograms if h is not None])
function_tokens: def getNumberOfHistograms ( self ) : return len ( [ h for h in self . _histograms if h is not None ] )