for in range( )bbox dict(boxstyle="square,pad= ",color="green"for var in con scopeax annotate(con stringvar positionxytext=con positionarrowprops={'arrowstyle':'-'},bbox=con_bboxha='center'for var in self variablesx, var position plt text( , ,var name,bbox=var_bbox,ha='center'examples in the following code ne when given numberreturns function that is true when its argument is not that number for exampleif ne ( )then ( is true and ( is false that isne ( )(yis true when allowing function of multiple arguments to use its arguments one at time is called curryingafter the logician haskell curry functions used as conditions in constraints require names (so they can be printedcspexamples py -example csps from cspproblem import variablecspconstraint from operator import lt,ne,eq,gt def ne_(val)"""not equal value""nev lambda xx !val alternative definition nev partial(neq,valanother alternative definition def nev( )return val ! nev __name__ str(val)+"!=name of the function return nev similarly is ( )(yis true when cspexamples py -(continued def is_(val)"""is value""isv lambda xx =val alternative definition isv partial(eq,valanother alternative definition def isv( )return val = isv __name__ str(val)+"==return isv the cspcsp has variables xy and zeach with domain { the constraints are and cspexamples py -(continued variable(' '{ , , } variable(' '{ , , }version june