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\$\begingroup\$ For me nonspeaker of Ruby, the ℤ.upto(ℤ) method is a nice reminder of Ruby's all-object behavior beauty. Further golfing the code is left as an exercise to native Ruby speakers. Have you scanned codegolf.stackexchange.com/questions/363/… yet? \$\endgroup\$

Roman Czyborra
– Roman Czyborra

2017-01-05 10:14:27 +00:00
Commented Jan 5, 2017 at 10:14

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Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
Don’t use edits to reply to the author

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>
MathJax equations \$\sin^2 \theta\$

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