Pular para o conteúdo principal

modifiers

Access modifiers​

Access modifiers are tags we can associate with each member to define which parts of the program can access it directly. There are two types of access modifiers in Python:

  • Public attributes
  • Private attributes

public attributes can be accessed inside and outside the class by default, all methods and properties in a class are public

example:

class Employee:
    def __init__(self, ID, salary):
        # all properties are public
        self.ID = ID
        self.salary = salary

    def displayID(self):
        print("ID:", self.ID)


Steve = Employee(3789, 2500)
Steve.displayID()
print(Steve.salary)

Private attributes​

cannot be accessed directly from outside the class, only from inside the class the aim is to keep it hidden from the other classes

to make members private we use the double underscore __ prefix​

class Employee:
    def __init__(self, ID, salary):
        self.ID = ID
        self.__salary = salary  # salary is a private property

if we try to access a private property outside the class, it will throw an error