adii1823
41 lines
913 B
Python
41 lines
913 B
Python
# oop/class.namespaces.py
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class Person:
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species = 'Human'
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print(Person.species) # Human
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Person.alive = True # Added dynamically!
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print(Person.alive) # True
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man = Person()
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print(man.species) # Human (inherited)
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print(man.alive) # True (inherited)
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Person.alive = False
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print(man.alive) # False (inherited)
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man.name = 'Darth'
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man.surname = 'Vader'
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print(man.name, man.surname) # Darth Vader
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print(Person.name)
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# This doesn't work. We try to access an instance attribute
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# from a class. Doing the opposite works, but this will give
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# the following error:
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# AttributeError: type object 'Person' has no attribute 'name'
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"""
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$ python class.namespaces.py
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Human
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True
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Human
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True
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False
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Darth Vader
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Traceback (most recent call last):
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File "/Users/fab/srv/lpp3e/v3/ch06/oop/class.namespaces.py", line 21, in <module>
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print(Person.name)
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AttributeError: type object 'Person' has no attribute 'name'
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"""
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