What does and in python stands for

Question

I try some samples in python console. And was confused for the following:

>>> (1 and None)
>>> (1 and None) == None
True
>>> (1 or None) == None
False
>>> (1 and 2) == 2
True
>>> (2 and 1) == 2
False
>>> (2 and 1) == 1
True

I was confused for what is the why (1 and None) does not return any thing is line 1? It should be None? And why (2 and 1) equals to 1 but not 2. Sorry for new with Python.

Try `print(1 and None)`. Shell doesn't print `None` unless explicitly told to print. — JRodDynamite, Dec 16 '16 at 13:02
For why `None` is not displayed: http://stackoverflow.com/questions/39639342/none-is-not-displayed-as-i-expected-in-python-interactive-mode — Chris_Rands, Dec 16 '16 at 13:03
See the docs: https://docs.python.org/3/library/stdtypes.html#truth-value-testing (4.1 and 4.2) — Alex Hall, Dec 16 '16 at 13:03
@JRodDynamite It prints None! But why 1 and 2 will print 2, I think is should be 1 & 2 which return 0.... — Pai, Dec 16 '16 at 13:04
Does [this answer](http://stackoverflow.com/a/36551857/4014959) help? — PM 2Ring, Dec 16 '16 at 13:06
I believe this is the answer You are looking for: http://stackoverflow.com/a/18195382/6411000 — Fejs, Dec 16 '16 at 13:48

minji · Accepted Answer · 2016-12-16T13:55:59.323

In python, empty string, dict, tuple, list are False. The others are True

(1 and None) is same as if 1 is False return 1 else None that is why (1 and None) return None

same reason == > (2 and 1) return 1 so, it's not 2.

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What does and in python stands for

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