Attributes Python Adding a Set value -

for essay class need attribute stores grade should public , betweem 0.0 , 4.0. thinking set_grade(self,grade) how implement if statement make sure return number 0.0 between 4.0

class assessment:          grade = 0         def get_grade(self):         return self.grade      """this operation creating concrete subclass of assessment"""   class essay (assessment):         """this operation getting grade grade essay class return grade"""          def get_grade(self):         return self.grade      """this operation creating teamproject class individual score , team score grade"""      class teamproject(assessment):           ind_sc = 0            ts_sc = 0     """this operation getting grade individual score , team score , returning average"""          def get_grade(self):         return (self.ind_sc +self.ts_sc) / 2 

how implement if statement make sure return number 0.0 between 4.0

try this:

  def set_grade(self, grade):       if grade < 0.0 or grade > 4.0:           raise valueerror('out of range')       self.grade = grade 

if use in assessent , essay, teamscore in-bounds.

hope helps :-)