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Laziness has nothing to do with speed (in the sense of throughput), especially in this case where res is a list, which is eager.
– Henry Henrinson
Commented Jul 9, 2020 at 13:11
6

This is great, but should mention that you need from itertools import groupby for this one
– Hansang
Commented Oct 17, 2021 at 7:14

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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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