mirror of https://github.com/TwoWater/Python
36 lines
695 B
Python
36 lines
695 B
Python
#!/usr/bin/env python3
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# -*- coding: UTF-8 -*-
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class Meter(object):
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def __init__(self, value=0.0):
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self.value = float(value)
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def __get__(self, instance, owner):
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return self.value
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def __set__(self, instance, value):
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self.value = float(value)
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class Foot(object):
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def __get__(self, instance, owner):
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return instance.meter * 3.2808
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def __set__(self, instance, value):
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instance.meter = float(value) / 3.2808
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class Distance(object):
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meter = Meter()
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foot = Foot()
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if __name__ == '__main__':
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d = Distance()
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print(d.meter, d.foot)
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d.meter = 1
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print(d.meter, d.foot)
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d.meter = 2
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print(d.meter, d.foot)
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