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Topics:

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1. Class Methods
2. Class Method vs Static Method

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1. Class Method

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class PlayerCharacter:
    position = "defender"
    def __init__(self,name="Sally",age=50):
            self.name = name
            self.age = age            

    def greet(self):
        return f'Hello, {self.name}!'

    @classmethod 
    def person(cls,call_name,call_age):
        return cls(f'My name is {call_name}.', f'I am {call_age} years old.')

player1 = PlayerCharacter('Bob',23)
player2 = PlayerCharacter('Mary',30)
print(player1.name)
print(player2.age)
print(player1.greet())

player3 = PlayerCharacter.person('Tom',15)
print(player3.name)
print(player3.age)

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2. Class Method vs Static Method

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1. Class method takes (cls) as first parameter, while static method need no specific parameters.
2. Static methods know nothing about the class state, while class methods can access and modify class state.
3. Classmethod decorators are used to create class methods, Staticmethod decorators are used to create static methods.

class Student: 
    def __init__(self,name,marks):
        self.name = name
        self.marks = marks
    def report(self):
        return f"{self.name} got {self.marks}%."

    @classmethod
    def get_percentage(cls,name,marks):    
        return cls(name.upper(),"{:.2f}".format((marks/600)*100))

    @staticmethod
    def get_age(age):
        return "Too young for College." if age<17 else "Ready for College."

student1 = Student("Mike",520)
print(student1.get_age(16))
print(student1.get_age(20))

student2 = Student.get_percentage("Mike",520)
print(student2.report())

#End

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