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ErikSchierboomErikSchierboom
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Add authors and contributors to Practice Exercises (#458)
For each Practice Exercise, we've looked at the commit history of its files to see which commits touched that Practice Exercise. Each commit that we could associate with a Practice Exercise was used to determine authorship/contributorship. ### Authors 1. Find the Git commit author of the oldest commit linked to that Practice Exercise 2. Find the GitHub username for the Git commit author of that commit 3. Add the GitHub username of the Git commit author to the `authors` key in the `.meta/config.json` file ### Contributors 1. Find the Git commit authors and any co-authors of all but the oldest commit linked to that Practice Exercise. If there is only one commit, there won't be any contributors. 1. Exclude the Git commit author and any co-authors of the oldest commit from the list of Git commit authors (an author is _not_ also a contributor) 2. Find the GitHub usernames for the Git commit authors and any co-authors of those commits 3. Add the GitHub usernames of the Git commit authors and any co-authors to the `contributor` key in the `.meta/config.json` file We used the GitHub GraphQL API to find the username of a commit author or any co-authors. In some cases though, a username cannot be found for a commit (e.g. due to the user account no longer existing), in which case the commit was skipped. ## Renames There are a small number of Practice Exercises that might have been renamed at some point. You can ask Git to "follow" a file over its renames using `git log --follow <file>`, which will also return commits made before renames. Unfortunately, Git does not store renames, it just stores the contents of the renamed files and tries to guess if a file was renamed by looking at its contents. This _can_ (and will) lead to false positives, where Git will think a file has been renamed whereas it hasn't. As we don't want to have incorrect authors/contributors for exercises, we're ignoring renames. The only exception to this are known exercise renames: - `bracket-push` was renamed to `matching-brackets` - `retree` was renamed to `satellite` - `resistor-colors` was renamed to `resistor-color-duo` - `kindergarden-garden` was renamed to `kindergarten-garden` ## Exclusions There are some commits that we skipped over, and which thus didn't influence the authors/contributors list: - Commits authored by `dependabot[bot]`, `dependabot-preview[bot]` or `github-actions[bot]` - Bulk update PRs made by `ErikSchierboom` or `kytrinx` to update the track
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‎exercises/practice/accumulate/.meta/config.json

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{
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"blurb": "Implement the `accumulate` operation, which, given a collection and an operation to perform on each element of the collection, returns a new collection containing the result of applying that operation to each element of the input collection.",
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"authors": [],
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"authors": [
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"dnmfarrell"
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],
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"contributors": [
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"kotp",
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"kytrinyx",
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"m-dango",
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"yanick"
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],
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"files": {
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"solution": [
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"Accumulate.rakumod"

‎exercises/practice/acronym/.meta/config.json

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"blurb": "Convert a long phrase to its acronym",
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"authors": [],
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"authors": [
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"dcampos"
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],
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"contributors": [
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"m-dango"
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],
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"files": {
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"solution": [
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"Acronym.rakumod"

‎exercises/practice/all-your-base/.meta/config.json

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"blurb": "Convert a number, represented as a sequence of digits in one base, to any other base.",
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"authors": [],
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"authors": [
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"m-dango"
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],
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"contributors": [
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"kotp"
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],
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"files": {
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"solution": [
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"AllYourBase.rakumod"

‎exercises/practice/allergies/.meta/config.json

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"blurb": "Given a person's allergy score, determine whether or not they're allergic to a given item, and their full list of allergies.",
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"authors": [],
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"authors": [
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"yanick"
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],
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"contributors": [
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"kotp",
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"m-dango"
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],
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"files": {
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"solution": [
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"Allergies.rakumod"

‎exercises/practice/anagram/.meta/config.json

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{
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"blurb": "Given a word and a list of possible anagrams, select the correct sublist.",
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"authors": [],
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"authors": [
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"dnmfarrell"
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],
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"contributors": [
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"kotp",
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"kytrinyx",
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"m-dango",
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"polettix",
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"yanick"
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],
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"files": {
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"solution": [
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"Anagram.rakumod"

‎exercises/practice/atbash-cipher/.meta/config.json

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"blurb": "Create an implementation of the atbash cipher, an ancient encryption system created in the Middle East.",
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"authors": [],
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"authors": [
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"yanick"
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],
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"contributors": [
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"kotp",
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"m-dango"
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],
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"files": {
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"solution": [
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"AtbashCipher.rakumod"

‎exercises/practice/binary/.meta/config.json

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"blurb": "Convert a binary number, represented as a string (e.g. '101010'), to its decimal equivalent using first principles",
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"authors": [],
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"authors": [
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"dnmfarrell"
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],
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"contributors": [
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"kotp",
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"kytrinyx",
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"m-dango",
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"yanick"
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],
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"files": {
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"solution": [
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"Binary.rakumod"

‎exercises/practice/bob/.meta/config.json

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"blurb": "Bob is a lackadaisical teenager. In conversation, his responses are very limited.",
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"authors": [],
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"authors": [
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"dnmfarrell"
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],
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"contributors": [
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"austinlyons",
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"kotp",
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"kytrinyx",
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"m-dango",
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"yanick"
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],
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"files": {
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"solution": [
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"Bob.rakumod"

‎exercises/practice/clock/.meta/config.json

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"blurb": "Implement a clock that handles times without dates.",
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"authors": [],
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"authors": [
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"m-dango"
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],
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"contributors": [
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"kotp"
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],
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"files": {
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"solution": [
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"Clock.rakumod"

‎exercises/practice/etl/.meta/config.json

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"blurb": "We are going to do the `Transform` step of an Extract-Transform-Load.",
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"authors": [],
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"authors": [
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"m-dango"
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],
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"files": {
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"solution": [
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"ETL.rakumod"

‎exercises/practice/flatten-array/.meta/config.json

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"blurb": "Take a nested list and return a single list with all values except nil/null",
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"authors": [],
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"authors": [
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"m-dango"
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],
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"contributors": [
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"kotp"
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],
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"files": {
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"solution": [
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"FlattenArray.rakumod"

‎exercises/practice/grade-school/.meta/config.json

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{
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"blurb": "Given students' names along with the grade that they are in, create a roster for the school",
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"authors": [],
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"contributors": [
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"kotp",
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"m-dango"
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],
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"files": {
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"solution": [
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"GradeSchool.rakumod"

‎exercises/practice/grains/.meta/config.json

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"blurb": "Calculate the number of grains of wheat on a chessboard given that the number on each square doubles.",
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"authors": [],
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"authors": [
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"dnmfarrell"
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],
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"contributors": [
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"kotp",
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"kytrinyx",
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"m-dango"
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],
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"files": {
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"solution": [
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"Grains.rakumod"

‎exercises/practice/hamming/.meta/config.json

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"blurb": "Calculate the Hamming difference between two DNA strands.",
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"authors": [],
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"authors": [
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"m-dango"
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],
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"files": {
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"solution": [
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"Hamming.rakumod"

‎exercises/practice/hello-world/.meta/config.json

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"blurb": "The classical introductory exercise. Just say \"Hello, World!\"",
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"authors": [],
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"authors": [
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"m-dango"
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],
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"contributors": [
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"kotp",
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],
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"files": {
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"solution": [
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"HelloWorld.rakumod"

‎exercises/practice/leap/.meta/config.json

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"blurb": "Given a year, report if it is a leap year.",
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"authors": [
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"dnmfarrell"
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],
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"contributors": [
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"alexkalderimis",
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"kotp",
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"kytrinyx",
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"m-dango",
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"pgraemer",
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"yanick"
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],
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"files": {
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"solution": [
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"Leap.rakumod"

‎exercises/practice/linked-list/.meta/config.json

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"blurb": "Implement a doubly linked list",
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"authors": [
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"yanick"
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],
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"contributors": [
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"kotp",
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],
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"files": {
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"solution": [
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"LinkedList.rakumod"

‎exercises/practice/luhn/.meta/config.json

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"blurb": "Given a number determine whether or not it is valid per the Luhn formula.",
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"authors": [],
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"authors": [
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"yanick"
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],
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"contributors": [
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"kotp",
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"m-dango"
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],
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"files": {
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"solution": [
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"Luhn.rakumod"

‎exercises/practice/meetup/.meta/config.json

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"blurb": "Calculate the date of meetups.",
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"authors": [
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"m-dango"
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],
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"solution": [
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"Meetup.rakumod"

‎exercises/practice/nucleotide-count/.meta/config.json

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"blurb": "Given a DNA string, compute how many times each nucleotide occurs in the string.",
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"authors": [
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"m-dango"
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],
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"files": {
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"solution": [
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"NucleotideCount.rakumod"

‎exercises/practice/pangram/.meta/config.json

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"blurb": "Determine if a sentence is a pangram.",
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"authors": [
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"m-dango"
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],
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"files": {
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"solution": [
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"Pangram.rakumod"

‎exercises/practice/phone-number/.meta/config.json

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"blurb": "Clean up user-entered phone numbers so that they can be sent SMS messages.",
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"authors": [
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"contributors": [
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"files": {
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"solution": [
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"Phone.rakumod"

‎exercises/practice/raindrops/.meta/config.json

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"blurb": "Convert a number to a string, the content of which depends on the number's factors.",
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"authors": [
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"dnmfarrell"
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],
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"contributors": [
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"kotp",
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"kytrinyx",
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],
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"files": {
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"solution": [
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"Raindrops.rakumod"

‎exercises/practice/rna-transcription/.meta/config.json

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"blurb": "Given a DNA strand, return its RNA Complement Transcription.",
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"authors": [
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"dnmfarrell"
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"contributors": [
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"kotp",
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"kytrinyx",
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"m-dango",
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"yanick"
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],
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"files": {
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"solution": [
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"RNA.rakumod"

‎exercises/practice/robot-name/.meta/config.json

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"blurb": "Manage robot factory settings.",
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"authors": [
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"dnmfarrell"
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],
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"contributors": [
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"kotp",
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"kytrinyx",
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],
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"files": {
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"solution": [
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"Robot.rakumod"

‎exercises/practice/roman-numerals/.meta/config.json

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"blurb": "Write a function to convert from normal numbers to Roman Numerals.",
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"authors": [
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"dcampos"
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],
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"contributors": [
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"m-dango"
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],
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"files": {
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"solution": [
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"RomanNumerals.rakumod"

‎exercises/practice/scrabble-score/.meta/config.json

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"blurb": "Given a word, compute the Scrabble score for that word.",
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"authors": [
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"contributors": [
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"drewbs",
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],
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"files": {
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"solution": [
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"Scrabble.rakumod"

‎exercises/practice/space-age/.meta/config.json

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"blurb": "Given an age in seconds, calculate how old someone is in terms of a given planet's solar years.",
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"authors": [
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"yanick"
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],
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"contributors": [
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"kotp",
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"m-dango"
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],
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"files": {
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"solution": [
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"SpaceAge.rakumod"

‎exercises/practice/trinary/.meta/config.json

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"blurb": "Convert a trinary number, represented as a string (e.g. '102012'), to its decimal equivalent using first principles.",
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"authors": [
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"yanick"
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"contributors": [
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"m-dango"
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],
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"files": {
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"solution": [
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"Trinary.rakumod"

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