When should I use classmethod in Python?
You should use classmethod when you need to access or modify class state rather than instance state.
Can you give me an example of how to use classmethod?
Sure! Here's a simple example:
class MyClass:
class_variable = 0
@classmethod
def increment_class_variable(cls):
cls.class_variable += 1
MyClass.increment_class_variable()
print(MyClass.class_variable) # Output: 1
What is the difference between classmethod and staticmethod?
The main difference is that classmethod receives the class as the first argument, while staticmethod does not receive any reference to the class or instance.
Are there any performance implications of using classmethod?
Generally, classmethods are not slower than regular methods, but they may have a slight overhead due to the additional argument.
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