gistfile1.txt

    # # C1: Each room can only hold 1 class at a time
    def check_C1(self, A, a, B, b):
        if a[0] == b[0] and a[1] == b[1] and a[2] == b[2]:
            return False
        return True
        

    # # C2: Each student (class) can only attend a class at a time
    def check_C2(self, A, a, B, b):
        for key in dict1:
            if dict2[key] == True:
                if a[0] == b[0] and a[1] == b[1]:
                    return False
        return True


    # # C3: No two weekly class of the same course may occur on the same day 
    def check_C3(self, A, a, B, b):
        if a[0] == b[0] and A[0] == B[0] and A[1] == B[1]:
            return False
        return True