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31 lines (24 loc) · 720 Bytes
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fib.py
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31 lines (24 loc) · 720 Bytes
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class Property:
def __init__(self, get_fn =None , set_fn = None):
self.get_fn = get_fn
self.set_fn = set_fn
def __get__(self, instance, owner):
return self.get_fn(instance)
# def __set__(self, instance, value):
# self.set_fn(instance, value)
def setter(self, set_fn):
print(type(self)(self.get_fn, set_fn))
return type(self)(self.get_fn, set_fn)
class A:
def __init__(self,data):
self._data = data
@Property # data = Property(data(self))
def data(self):
return self._data
@data.setter
def data(self, value):
self._data = value
a = A(8)
print(a.data, '++++++++++')
a.data = 20
print(a.data, '++++++++++')