del self._age
# When a Python interpreter reads a source file it executes all its code.
# This __name__ check makes sure this code block is only executed when this
# module is the main program.
if __name__ == '__main__':
# Instantiate a class
i = Human(name="Ian")
i.say("hi") # "Ian: hi"
j = Human("Joel")
j.say("hello") # "Joel: hello"
# i and j are instances of type Human, or in other words: they are Human objects
# Call our class method
i.say(i.get_species()) # "Ian: H. sapiens"
# Change the shared attribute
Human.species = "H. neanderthalensis"
i.say(i.get_species()) # => "Ian: H. neanderthalensis"
j.say(j.get_species()) # => "Joel: H. neanderthalensis"
# Call the static method
print(Human.grunt()) # => "*grunt*"
# Cannot call static method with instance of object
# because i.grunt() will automatically put "self" (the object i) as an argument
print(i.grunt(
)) # => TypeError: grunt() takes 0 positional arguments but 1 was given
# Update the property for this instance
i.age = 42
del self._age
# Когда интерпретатор Python читает исходный файл, он выполняет весь его код.
# Проверка __name__ гарантирует, что этот блок кода выполняется только тогда, когда
# этот модуль - это основная программа.
if __name__ == '__main__':
# Инициализация экземпляра класса
i = Human(name="Иван")
i.say("привет") # Выводит: "Иван: привет"
j = Human("Пётр")
j.say("привет") # Выводит: "Пётр: привет"
# i и j являются экземплярами типа Human, или другими словами: они являются объектами Human
# Вызов метода класса
i.say(i.get_species()) # "Иван: Гомосапиенс"
# Изменение разделяемого атрибута
Human.species = "Неандертальец"
i.say(i.get_species()) # => "Иван: Неандертальец"
j.say(j.get_species()) # => "Пётр: Неандертальец"
# Вызов статического метода
print(Human.grunt()) # => "*grunt*"
# Невозможно вызвать статический метод с экземпляром объекта
# потому что i.grunt() автоматически поместит "self" (объект i) в качестве аргумента
print(i.grunt()) # => TypeError: grunt() takes 0 positional arguments but 1 was given
# Обновить свойство для этого экземпляра
i.age = 42
# Получить свойство
@age.deleter
def age(self):
def self._age
# When a Python interpreter reads a source file it executes all its code.
# This __name__ check makes sure this code block is only executed when this
# module is the main program.
if __name__ == '__main__':
# Instaniate a class
i = Human(name = "Ian")
i.say("hi")
j = Huam("Joel")
j.say("hello")
# call class method
i.say(i.get_species())
# set new attributes
Human.species = "H. neanderhalensis"
i.say(get_species())
j.say(j.get_species())
# call static method
print(Human.grunt()) #"*grunt*"
# Cannot call static method with instance of object
# because i.grunt() will automatically put "self" (the object i) as an argument
print(i.grunt()) # TypeError:grunt() takes 0 positional arguments but 1 was given
# i.grunt() == grunt(i) i is self
# Update the property(属性) for this instance
i.age = 42
del self._age
# When a Python interpreter reads a source file it executes all its code.
# This __name__ check makes sure this code block is only executed when this
# module is the main program.
if __name__ == '__main__':
# Instantiate a class
i = Human(name="Ian")
i.say("hi") # "Ian: hi"
j = Human("Joel")
j.say("hello") # "Joel: hello"
# i and j are instances of type Human, or in other words: they are Human objects
# Call our class method
i.say(i.get_species()) # "Ian: H. sapiens"
# Change the shared attribute
Human.species = "H. neanderthalensis"
i.say(i.get_species()) # => "Ian: H. neanderthalensis"
j.say(j.get_species()) # => "Joel: H. neanderthalensis"
# Call the static method
print(Human.grunt()) # => "*grunt*"
# Cannot call static method with instance of object
# because i.grunt() will automatically put "self" (the object i) as an argument
print(i.grunt()) # => TypeError: grunt() takes 0 positional arguments but 1 was given
# Update the property for this instance
i.age = 42
# Get the property