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chapter6.py
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150 lines (98 loc) · 2.32 KB
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# Q1
class Thing:
pass
example = Thing()
print(Thing)
print(example)
# Q2
class Thing2:
letters = 'abc'
print(Thing2.letters)
# Q3
class Thing3:
def __init__(self):
self.letters = 'xyz'
thing3 = Thing3()
print(thing3.letters)
# Q4
class Element:
def __init__(self, name, symbol, number):
self.name = name
self.symbol = symbol
self.number = number
hydrogen = Element('Hydrogen', 'H', 1)
# Q5
kargs = {'name': 'Hydrogen', 'symbol': 'H', 'number': 1}
hydrogen = Element(**kargs)
# Q6
class Element:
def __init__(self, name, symbol, number):
self.name = name
self.symbol = symbol
self.number = number
def dump(self):
print(f'Name:{self.name}, Symbol:{self.symbol}, Number:{self.number}')
hydrogen = Element('Hydrogen', 'H', 1)
hydrogen.dump()
# Q7
class Element:
def __init__(self, name, symbol, number):
self.name = name
self.symbol = symbol
self.number = number
def __str__(self):
return f'Name:{self.name}, Symbol:{self.symbol}, Number:{self.number}'
hydrogen = Element('Hydrogen', 'H', 1)
print(hydrogen)
# Q9
class Element:
def __init__(self, name, symbol, number):
self.__name = name
self.__symbol = symbol
self.__number = number
@property
def name(self):
return self.__name
@property
def symbol(self):
return self.__symbol
@property
def number(self):
return self.__number
def __str__(self):
return f'Name:{self.__name}, Symbol:{self.__symbol}, Number:{self.__number}'
# Q9
class Bear:
def eats(self):
return 'berries'
class Rabbit:
def eats(self):
return 'clover'
class Octothorpe:
def eats(self):
return 'campers'
bear = Bear()
rabbit = Rabbit()
octothorpe = Octothorpe()
bear.eats()
rabbit.eats()
octothorpe.eats()
# Q10
class Lasor:
def does(self):
return 'disintegrate'
class Claw:
def does(self):
return 'crush'
class SmartPhone:
def does(self):
return 'ring'
class Robot:
def __init__(self):
self.lasor = Lasor()
self.claw = Claw()
self.smartPhone = SmartPhone()
def does(self):
print(f'{self.lasor.does()} {self.claw.does()} {self.smartPhone.does()}')
robot = Robot()
robot.does()