Difference between revisions of "Python double under (dunder) methods"
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| − | "double + under" methods | + | Dunder stands for "double + under" [[methods]] |
| − | __init__ | + | [[__init__]] |
__[[str]]__ | __[[str]]__ | ||
__[[call]]__ | __[[call]]__ | ||
| Line 8: | Line 8: | ||
__[[delitem]]__ | __[[delitem]]__ | ||
__[[len]]__ | __[[len]]__ | ||
| + | __[[add]]__ | ||
__[[contains]]__ | __[[contains]]__ | ||
| + | __[[repr]]__ | ||
| + | __[[name]]__ | ||
| + | __[[main]]__ | ||
== Related == | == Related == | ||
* [[Methods]] | * [[Methods]] | ||
| + | * [[Classes]] | ||
| + | * [[List]] | ||
* [[Double underscore]] | * [[Double underscore]] | ||
* [[Class methods]] | * [[Class methods]] | ||
* [[Python]], [[C]] | * [[Python]], [[C]] | ||
* [[Polymorphism]] | * [[Polymorphism]] | ||
| + | * <code>_xxxx</code> and <code>__xxxx</code>. Read https://docs.python.org/3/tutorial/classes.html#private-variables | ||
| + | * <code>[[from]] os [[import]] open as open_</code> | ||
| + | * [[Underscore]] | ||
| + | * <code>[[if __name__ == "__main__":]]</code> | ||
== Activities == | == Activities == | ||
* http://python-history.blogspot.com/2009/02/adding-support-for-user-defined-classes.html | * http://python-history.blogspot.com/2009/02/adding-support-for-user-defined-classes.html | ||
| + | * [[Stackoverflow]]: [https://stackoverflow.com/questions/1436703/what-is-the-difference-between-str-and-repr What is the difference between __str__ and __repr__?] | ||
== See also == | == See also == | ||
Latest revision as of 15:04, 15 April 2023
Dunder stands for "double + under" methods
__init__ __str__ __call__ __setitem__ __getitem__ __delitem__ __len__ __add__ __contains__ __repr__ __name__ __main__
Related[edit]
- Methods
- Classes
- List
- Double underscore
- Class methods
- Python, C
- Polymorphism
_xxxxand__xxxx. Read https://docs.python.org/3/tutorial/classes.html#private-variablesfrom os import open as open_- Underscore
if __name__ == "__main__":
Activities[edit]
- http://python-history.blogspot.com/2009/02/adding-support-for-user-defined-classes.html
- Stackoverflow: What is the difference between __str__ and __repr__?
See also[edit]
- Python, PIP, GIL, Flask, Django, Marshmallow,
def, logging, Pandas, Numpy, AWS Chalice,import,from,tuple,list, Python exceptions,virtualenv,.append,pytz,TZ,print,python3 -c,os, PEP, Python Institute, Methods: Dunder methods, Flake8, Python collections, Function decorators in Python, Click python library, Python module, Flower,kwargs, Black (Python), Python list structure, Mypy,variables, Casting,try:, pydoc, argparse, Anaconda,pyenv, setup.py, python3 --version, python3 --help, Data Classes, raise
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