adii1823
31 lines
626 B
Python
31 lines
626 B
Python
# oop/private.attrs.py
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class A:
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def __init__(self, factor):
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self._factor = factor
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def op1(self):
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print('Op1 with factor {}...'.format(self._factor))
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class B(A):
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def op2(self, factor):
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self._factor = factor
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print('Op2 with factor {}...'.format(self._factor))
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obj = B(100)
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obj.op1() # Op1 with factor 100...
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obj.op2(42) # Op2 with factor 42...
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obj.op1() # Op1 with factor 42... <- This is BAD
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print(obj.__dict__.keys())
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# dict_keys(['_factor'])
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"""
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$ python private.attrs.py
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Op1 with factor 100...
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Op2 with factor 42...
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Op1 with factor 42...
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dict_keys(['_factor'])
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"""
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