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2.6 Abstract classes

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tiated: <code python> class BluePrint: def hello(self): print('Nothing is blue unless you need it') bp = BluePrint() bp.hello() </code> There’s nothing new for you here – it’s... rint(abc.ABC): @abc.abstractmethod def hello(self): pass class GreenField(BluePrint): def hello(self): print('Welcome to Green Field!')

2.4 Decorators

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heory. So, let's create a function – ''simple_hello()'' is one of the simplest functions we could thi... rate it in a moment. <code python> def simple_hello(): print("Hello from simple function!") </code> <code python> def simple_decorator(function): ... de python> decorated = simple_decorator(simple_hello) decorated() </code> The whole code should look l

4.1 Shallow and deep copy operations

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elf.properties = ["112", "997"] print("Hello from __init__()") a_example = Example() b_exampl... t to get the following output: <code ; output> Hello from __init__() Memory chunks: 140319166493840 14

4.2 Serialization of Python objects using the pickle module

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de python> import pickle def f1(): print('Hello from the jar!') with open('function.pckl', 'wb')