Class methods in Python

Classes / Methods

With a return value
Without a return value
Without parameters
Optional parameter values
Array of parameters
Modifying parameters
In-out parameters
Class methods
Multiple return values

class Calc:
    # No self or cls: a plain function
    @staticmethod
    def get_min(*values):
        return min(values, default=0)

    # Gets the class itself as cls
    @classmethod
    def class_name(cls):
        return cls.__name__

class BigCalc(Calc):
    pass

result = Calc.get_min(3, 2, 5, 1, 4)
# result is 1

name1 = Calc.class_name()
# name1 is 'Calc'
# Called on a subclass: cls is the subclass
name2 = BigCalc.class_name()
# name2 is 'BigCalc'

print(f"{result = }")
print(f"{name1 = }")
print(f"{name2 = }")