Learn Python CLASS METHODS in 6 minutes! 🏫 скачать в хорошем качестве

Learn Python CLASS METHODS in 6 minutes! 🏫

Class methods = Allow operations related to the class itself Take (cls) as the first parameter, which represents the class itself. Instance methods = Best for operations on instances of the class (objects) Static methods = Best for utility functions that do not need access to class data Class methods = Best for class-level data or require access to the class itself class Student: count = 0 total_gpa = 0 def __init__(self, name, gpa): self.name = name self.gpa = gpa Student.count += 1 Student.total_gpa += gpa #INSTANCE METHOD def get_info(self): return f"{self.name} {self.gpa}" @classmethod def get_count(cls): return f"Total # of students: {cls.count}" @classmethod def get_average_gpa(cls): if cls.count == 0: return 0 else: return f"Average gpa: {cls.total_gpa / cls.count:.2f}" student1 = Student("Spongebob", 3.2) student2 = Student("Patrick", 2.0) student3 = Student("Sandy", 4.0) print(Student.get_count()) print(Student.get_average_gpa())