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@@ -0,0 +1,83 @@
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+
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+class Thing:
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+ pass
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+
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+class Thing2:
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+ letters = 'abc'
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+
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+class Thing3:
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+ letters = 'xyz'
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+
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+class Element:
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+ def __init__(self, name, symbol, number) -> None:
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+ self.__name = name
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+ self.__symbol = symbol
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+ self.__number = number
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+
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+ def get_name(self):
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+ return self.__name
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+
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+ def get_symbol(self):
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+ return self.__symbol
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+
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+ def get_number(self):
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+ return self.__number
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+
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+ def __str__(self):
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+ return f'Name: {self.__name}, Symbol: {self.__symbol}, Number: {self.__number}'
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+
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+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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+
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+class Bear:
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+ def eats(self):
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+ return 'berries'
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+
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+class Rabbit:
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+ def eats(self):
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+ return 'clover'
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+
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+class Octothorpe:
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+ def eats(self):
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+ return 'campers'
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+
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+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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+class Laser:
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+ def does(self):
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+ return 'disintegrate'
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+
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+class Claw:
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+ def does(self):
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+ return 'crush'
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+
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+class SmartPhone:
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+ def does(self):
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+ return 'ring'
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+
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+class Robot:
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+ laser = Laser()
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+ claw = Claw()
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+ phone = SmartPhone()
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+
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+ def does(self):
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+ print('Laser:', self.laser.does())
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+ print('Claw:', self.claw.does())
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+ print('SmartPhone:', self.phone.does())
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+
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+
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+def ex1():
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+ foo = Thing()
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+ # print(Thing)
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+ # print(foo)
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+ # print(Thing2.letters)
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+ # print(Thing3.letters)
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+
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+ elem1 = Element('Hydrogen', 'H', '1')
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+ my_dict = {'name': 'Hydrogen', 'symbol': 'H', 'number': 1}
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+ elem2 = Element(my_dict['name'], my_dict['symbol'], my_dict['number'])
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+ # elem2.dump()
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+ print(elem2)
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+
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+ robot = Robot()
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+ robot.does()
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+
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+ex1()
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