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double underscore methods python

Ranger answered on August 12, 2021 Popularity 9/10 Helpfulness 3/10

answer double underscore methods python

related python double underscore methods

double underscore methods python

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# officially called as dunder methods
# mostly class in python is a subclass of objects which has dunder methods.

class Test:
  def __str__(self):
    return "This is just for test"
  def __add__(self, x):
    return 6 + x
  
sample = Test()
print(sample) # calls __str__, also gets called when str(sample)
print(sample + 9)  # calls __add__
  
# Refer this for many such methods: https://diveintopython3.net/special-method-names.html

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Contributed on Feb 15 2022

Ranger

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Closely Related Answers

python double underscore methods

Comment

Double underscore methods are special methods defined by Python 
that can serve a special purpose. 

Ex: 
  __eq__ : determines what to do when determining 
    	   equality (==) of a certain object

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Tags: double-underscore double-underscor

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