Python why is len not a method

Describes the cause and action for error messages.


Error Message(English):
why is len not a method

Resolution


関連リンク


Why does Python code use len() function instead of a length method ...
https://stackoverflow.com/questions/237128/why-does-python-code-use-len-function-instead-of-a-length・・・

Why is Python's 'len' function faster than the __len__ method ...
https://stackoverflow.com/questions/20302558/why-is-pythons-len-function-faster-than-the-len-method

python: can't work out why len function() is behaving not as ...
https://stackoverflow.com/questions/21500550/python-cant-work-out-why-len-function-is-behaving-not-a・・・

Why does python list does not have len() method - Stack ...
https://stackoverflow.com/questions/22079296/why-does-python-list-does-not-have-len-method

Why isn't the 'len' function inherited by dictionaries and lists ...
https://stackoverflow.com/questions/83983/why-isnt-the-len-function-inherited-by-dictionaries-and-li・・・

Why does Python use methods for some functionality (e.g. list.index ...
http://effbot.org/pyfaq/why-does-python-use-methods-for-some-functionality-e-g-list-index-but-functi・・・

In Python is len() a function and upper() a method? - Quora
https://www.quora.com/In-Python-is-len-a-function-and-upper-a-method

why is len not a reserved keyword in python - Software Engineering ...
https://softwareengineering.stackexchange.com/questions/232997/why-is-len-not-a-reserved-keyword-in-・・・

Python の len はなんでメソッドではなく関数なの? - いっきに Python に ...
http://nihaoshijie.hatenadiary.jp/entry/2018/02/24/122308

Python len() function - The Python Guru
https://thepythonguru.com/python-builtin-functions/len/



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