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Asked by Praveen Last Modified
Answer 
Hemant Gondhwal
cls in Python holds the reference of the class. It is passed as the first argument to every class methods (methods with @classmethod decorator) by Python itself.
class MyClass:
@classmethod
def what_is_cls(cls):
print(cls)
MyClass().what_is_cls() #outputs <class '__main__.MyClass'>
It is important to note that self and cls are not reserved keywords. They are just naming conventions in Python.
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