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Sync two-fer docs with problem-specifications (#262)

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The two-fer exercise has been overhauled as part of a project
to make practice exercises more consistent and friendly.

For more context, please see the discussion in the forum, as well as
the pull request that updated the exercise in the problem-specifications
repository:

- https://forum.exercism.org/t/new-project-making-practice-exercises-more-consistent-and-human-across-exercism/3943
- https://github.com/exercism/problem-specifications/pull/2204
This commit is contained in:
Katrina Owen
2023-03-03 13:18:01 +01:00
committed by GitHub
parent c95b5929f6
commit 40e8149ecc
2 changed files with 17 additions and 10 deletions
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exercises/practice/two-fer/.docs/instructions.md
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# Description # Instructions
`Two-fer` or `2-fer` is short for two for one. One for you and one for me. Your task is to determine what you will say as you give away the extra cookie.
Given a name, return a string with the message: If your friend likes cookies, and is named Do-yun, then you will say:
```text ```text
One for name, one for me. One for Do-yun, one for me.
``` ```
Where "name" is the given name. If your friend doesn't like cookies, you give the cookie to the next person in line at the bakery.
Since you don't know their name, you will say _you_ instead.
However, if the name is missing, return the string:
```text ```text
One for you, one for me. One for you, one for me.
@@ -18,9 +17,9 @@ One for you, one for me.
Here are some examples: Here are some examples:
|Name |String to return |Name |Dialogue
|:-------|:------------------ |:-------|:------------------
|Alice |One for Alice, one for me. |Alice |One for Alice, one for me.
|Bob |One for Bob, one for me. |Bohdan |One for Bohdan, one for me.
| |One for you, one for me. | |One for you, one for me.
|Zaphod |One for Zaphod, one for me. |Zaphod |One for Zaphod, one for me.

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# Introduction
In some English accents, when you say "two for" quickly, it sounds like "two fer".
Two-for-one is a way of saying that if you buy one, you also get one for free.
So the phrase "two-fer" often implies a two-for-one offer.
Imagine a bakery that has a holiday offer where you can buy two cookies for the price of one ("two-fer one!").
You go for the offer and (very generously) decide to give the extra cookie to a friend.