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to allow empty input list: set(*input_list[:1]).intersection(*input_list[1:]). Iterator version (it = iter(input_list)): reduce(set.intersection, it, set(next(it, []))). Both version doesn't require to convert all input lists to set. The latter is more memory efficient.

jfs
– jfs

2012-12-05 06:41:55 +00:00
Commented Dec 5, 2012 at 6:41
Use from functools import reduce to use it in Python 3. Or better yet, use an explicit for loop.

TrigonaMinima
– TrigonaMinima

2016-08-02 08:51:33 +00:00
Commented Aug 2, 2016 at 8:51

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Correct minor typos or mistakes
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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)

<https://example.com>

[example](https://example.com)

<a href="https://example.com">example</a>

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