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What is the purpose of the `self` parameter? Why is it needed? For a language-agnostic consideration of the design decision, see What is the advantage of having this self pointer mandatory explicit? To close debugging questions where OP omitted a self parameter for a method and got a TypeError, use TypeError: method () takes 1 positional argument but 2 were given instead If OP omitted self in the body of the method and got a NameError, consider How can
Python self keyword - Stack Overflow 9 First, Python's self is not a keyword, it's a coding convention, the same as Python's cls Guido has written a really detailed and valuable article about the origin of Python's support for class, and in that article, Guido explains why use self and cls, and why they are necessary
What does \\. self actually do in Swift SwiftUI? - Stack Overflow I think it is setting the id for each list item as each item in the numbers array? Correct me if wrong - but is each id being set as whatever Int is in each entry of the numbers array? If so, then what does \ actually do when typing \ self and what does self actually do in combination with \?
Difference between cls and self in Python classes? Why is cls sometimes used instead of self as an argument in Python classes? For example: class Person: def __init__(self, firstname, lastname): self firstname = firstname self
How to avoid explicit self in Python? - Stack Overflow The "self" is the conventional placeholder of the current object instance of a class Its used when you want to refer to the object's property or field or method inside a class as if you're referring to "itself"
Purpose of return self python - Stack Overflow Returning self from a method simply means that your method returns a reference to the instance object on which it was called This can sometimes be seen in use with object oriented APIs that are designed as a fluent interface that encourages method cascading