class Person:
def __init__(self, name):
self.name = name
def greet(self):
return f"Hello, my name is {self.name}!"person = Person("John")
print(person.name) # Output: John
print(person.greet()) # Output: Hello, my name is John!John Hello, my name is John!
class Person:
def __init__(self, name):
self.__name = name
def __greet(self):
return f"Hello, my name is {self.__name}!"person = Person("John")
print(person.__name) # Error: AttributeError: 'Person' object has no attribute '__name'
print(person.__greet()) # Error: AttributeError: 'Person' object has no attribute '__greet'---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
Cell In[4], line 2
1 person = Person("John")
----> 2 print(person.__name) # Error: AttributeError: 'Person' object has no attribute '__name'
3 print(person.__greet()) # Error: AttributeError: 'Person' object has no attribute '__greet'
AttributeError: 'Person' object has no attribute '__name'class Person:
def __init__(self, name):
self._name = name
def _greet(self):
return f"Hello, my name is {self._name}!"
class Student(Person):
def study(self):
return f"{self._name} is studying!"student = Student("Alice")
print(student._name) # Output: Alice
print(student._greet()) # Output: Hello, my name is Alice!
print(student.study()) # Output: Alice is studying!Alice Hello, my name is Alice! Alice is studying!