umbrella decision network weather forecast utility umbrella figure the umbrella decision network for par in self utility_factor variablesax annotate("utility"par positionxytext=self utility_factor positionarrowprops={'arrowstyle':'<-'},bbox=dict(boxstyle="sawtooth,pad= ha='center'for var in reversed(self topological_sort())if isinstance(var,decisionvariable)bbox dict(boxstyle="square,pad= ",color="green"elsebbox dict(boxstyle="round ,pad= ,rounding_size= "if self var parents[var]for par in self var parents[var]ax annotate(var namepar positionxytext=var positionarrowprops={'arrowstyle':'<-'},bbox=bboxha='center'elsex, var position plt text( , ,var name,bbox=bbox,ha='center'example decision networks umbrella decision network here is simple "umbrelladecision network the output of umbrella_dn show(is shown in figure decnnetworks py -(continued weather variable("weather"["norain""rain"]position=( , )forecast variable("forecast"["sunny""cloudy""rainy"]position=( , )each variant uses one of the followingversion june