example.py

class BloodPressureDataPoint(object):
    def __init__(self, systole, diastole, hr):
        self.systole = systole
        self.diastole = diastole
        self.hr = hr
        print("finished initializing")


    def __lt__(self, other):
        print("running less than comparison")
        return self.systole < other.systole

    def __gt__(self, other):
        print("running greater than comparison")
        return self.systole > other.systole


first = BloodPressureDataPoint(121, 78, 80)
second = BloodPressureDataPoint(140, 90, 85)


print(first > second)
print(second < first)