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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
git - SSL certificate problem: self signed certificate in certificate . . . The reason was an SSL certificate problem: 'self-signed certificate in certificate chain '" Protected question To answer this question, you need to have at least 10 reputation on this site (not counting the association bonus) The reputation requirement helps protect this question from spam and non-answer activity
How to bypass certificate errors using Microsoft Edge To allow a self-signed certificate to be used by Microsoft-Edge it is necessary to use the "certmgr msc" tool from the command line to import the certificate as a Trusted Certificate Authority
When to use self, self, mut self in methods? - Stack Overflow Say I want to implement a method that pretty prints the struct to stdout, should I take self? I guess self also works? As you can see, this is exactly a case for self If you use self (or mut self) the method will likely still compile, but it can only be used in more restricted situations
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
Python class methods: when is self not needed - Stack Overflow 17 What is self? In Python, every normal method is forced to accept a parameter commonly named self This is an instance of class - an object This is how Python methods interact with a class's state You are allowed to rename this parameter whatever you please but it will always have the same value: