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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create_constraints(self, courses):
 """Internal use. Creates all constraints in the problem instance for the given courses. """

        for i, course1 in enumerate(courses):
            for j, course2 in enumerate(courses):
                if i <= j:
                    continue
                self.p.add_constraint(self.section_constraint, [course1, course2])
            self.p.add_constraint(self.time_conflict, [course1])