From d00a9787f9374ed4e3c0e48ed3ce09f64bfb3f44 Mon Sep 17 00:00:00 2001 From: Danylo Negrienko Date: Wed, 21 Aug 2024 20:36:51 -0400 Subject: [PATCH] twelve_days --- elixir/twelve-days/.exercism/config.json | 27 ++++ elixir/twelve-days/.exercism/metadata.json | 1 + elixir/twelve-days/.formatter.exs | 4 + elixir/twelve-days/.gitignore | 24 ++++ elixir/twelve-days/HELP.md | 75 +++++++++++ elixir/twelve-days/README.md | 60 +++++++++ elixir/twelve-days/lib/twelve_days.ex | 37 ++++++ elixir/twelve-days/mix.exs | 28 ++++ elixir/twelve-days/test/test_helper.exs | 2 + elixir/twelve-days/test/twelve_days_test.exs | 127 +++++++++++++++++++ 10 files changed, 385 insertions(+) create mode 100644 elixir/twelve-days/.exercism/config.json create mode 100644 elixir/twelve-days/.exercism/metadata.json create mode 100644 elixir/twelve-days/.formatter.exs create mode 100644 elixir/twelve-days/.gitignore create mode 100644 elixir/twelve-days/HELP.md create mode 100644 elixir/twelve-days/README.md create mode 100644 elixir/twelve-days/lib/twelve_days.ex create mode 100644 elixir/twelve-days/mix.exs create mode 100644 elixir/twelve-days/test/test_helper.exs create mode 100644 elixir/twelve-days/test/twelve_days_test.exs diff --git a/elixir/twelve-days/.exercism/config.json b/elixir/twelve-days/.exercism/config.json new file mode 100644 index 0000000..e7004f5 --- /dev/null +++ b/elixir/twelve-days/.exercism/config.json @@ -0,0 +1,27 @@ +{ + "authors": [ + "DoggettCK" + ], + "contributors": [ + "angelikatyborska", + "Cohen-Carlisle", + "devonestes", + "neenjaw", + "PatrickMcSweeny", + "sotojuan" + ], + "files": { + "solution": [ + "lib/twelve_days.ex" + ], + "test": [ + "test/twelve_days_test.exs" + ], + "example": [ + ".meta/example.ex" + ] + }, + "blurb": "Output the lyrics to 'The Twelve Days of Christmas'.", + "source": "Wikipedia", + "source_url": "https://en.wikipedia.org/wiki/The_Twelve_Days_of_Christmas_(song)" +} diff --git a/elixir/twelve-days/.exercism/metadata.json b/elixir/twelve-days/.exercism/metadata.json new file mode 100644 index 0000000..a0336c9 --- /dev/null +++ b/elixir/twelve-days/.exercism/metadata.json @@ -0,0 +1 @@ +{"track":"elixir","exercise":"twelve-days","id":"0a1590f9cd004ef09f8e5e9a6558e92d","url":"https://exercism.org/tracks/elixir/exercises/twelve-days","handle":"negrienko","is_requester":true,"auto_approve":false} \ No newline at end of file diff --git a/elixir/twelve-days/.formatter.exs b/elixir/twelve-days/.formatter.exs new file mode 100644 index 0000000..d2cda26 --- /dev/null +++ b/elixir/twelve-days/.formatter.exs @@ -0,0 +1,4 @@ +# Used by "mix format" +[ + inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"] +] diff --git a/elixir/twelve-days/.gitignore b/elixir/twelve-days/.gitignore new file mode 100644 index 0000000..7bbfc15 --- /dev/null +++ b/elixir/twelve-days/.gitignore @@ -0,0 +1,24 @@ +# The directory Mix will write compiled artifacts to. +/_build/ + +# If you run "mix test --cover", coverage assets end up here. +/cover/ + +# The directory Mix downloads your dependencies sources to. +/deps/ + +# Where third-party dependencies like ExDoc output generated docs. +/doc/ + +# Ignore .fetch files in case you like to edit your project deps locally. +/.fetch + +# If the VM crashes, it generates a dump, let's ignore it too. +erl_crash.dump + +# Also ignore archive artifacts (built via "mix archive.build"). +*.ez + +# Ignore package tarball (built via "mix hex.build"). +twelve_days-*.tar + diff --git a/elixir/twelve-days/HELP.md b/elixir/twelve-days/HELP.md new file mode 100644 index 0000000..fbcbf0d --- /dev/null +++ b/elixir/twelve-days/HELP.md @@ -0,0 +1,75 @@ +# Help + +## Running the tests + +From the terminal, change to the base directory of the exercise then execute the tests with: + +```bash +$ mix test +``` + +This will execute the test file found in the `test` subfolder -- a file ending in `_test.exs` + +Documentation: + +* [`mix test` - Elixir's test execution tool](https://hexdocs.pm/mix/Mix.Tasks.Test.html) +* [`ExUnit` - Elixir's unit test library](https://hexdocs.pm/ex_unit/ExUnit.html) + +## Pending tests + +In test suites of practice exercises, all but the first test have been tagged to be skipped. + +Once you get a test passing, you can unskip the next one by commenting out the relevant `@tag :pending` with a `#` symbol. + +For example: + +```elixir +# @tag :pending +test "shouting" do + assert Bob.hey("WATCH OUT!") == "Whoa, chill out!" +end +``` + +If you wish to run all tests at once, you can include all skipped test by using the `--include` flag on the `mix test` command: + +```bash +$ mix test --include pending +``` + +Or, you can enable all the tests by commenting out the `ExUnit.configure` line in the file `test/test_helper.exs`. + +```elixir +# ExUnit.configure(exclude: :pending, trace: true) +``` + +## Useful `mix test` options + +* `test/.exs:LINENUM` - runs only a single test, the test from `.exs` whose definition is on line `LINENUM` +* `--failed` - runs only tests that failed the last time they ran +* `--max-failures` - the suite stops evaluating tests when this number of test failures +is reached +* `--seed 0` - disables randomization so the tests in a single file will always be ran +in the same order they were defined in + +## Submitting your solution + +You can submit your solution using the `exercism submit lib/twelve_days.ex` command. +This command will upload your solution to the Exercism website and print the solution page's URL. + +It's possible to submit an incomplete solution which allows you to: + +- See how others have completed the exercise +- Request help from a mentor + +## Need to get help? + +If you'd like help solving the exercise, check the following pages: + +- The [Elixir track's documentation](https://exercism.org/docs/tracks/elixir) +- The [Elixir track's programming category on the forum](https://forum.exercism.org/c/programming/elixir) +- [Exercism's programming category on the forum](https://forum.exercism.org/c/programming/5) +- The [Frequently Asked Questions](https://exercism.org/docs/using/faqs) + +Should those resources not suffice, you could submit your (incomplete) solution to request mentoring. + +If you're stuck on something, it may help to look at some of the [available resources](https://exercism.org/docs/tracks/elixir/resources) out there where answers might be found. \ No newline at end of file diff --git a/elixir/twelve-days/README.md b/elixir/twelve-days/README.md new file mode 100644 index 0000000..6c894f7 --- /dev/null +++ b/elixir/twelve-days/README.md @@ -0,0 +1,60 @@ +# Twelve Days + +Welcome to Twelve Days on Exercism's Elixir Track. +If you need help running the tests or submitting your code, check out `HELP.md`. + +## Instructions + +Your task in this exercise is to write code that returns the lyrics of the song: "The Twelve Days of Christmas." + +"The Twelve Days of Christmas" is a common English Christmas carol. +Each subsequent verse of the song builds on the previous verse. + +The lyrics your code returns should _exactly_ match the full song text shown below. + +## Lyrics + +```text +On the first day of Christmas my true love gave to me: a Partridge in a Pear Tree. + +On the second day of Christmas my true love gave to me: two Turtle Doves, and a Partridge in a Pear Tree. + +On the third day of Christmas my true love gave to me: three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the fourth day of Christmas my true love gave to me: four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the fifth day of Christmas my true love gave to me: five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the sixth day of Christmas my true love gave to me: six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the seventh day of Christmas my true love gave to me: seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the eighth day of Christmas my true love gave to me: eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the ninth day of Christmas my true love gave to me: nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the tenth day of Christmas my true love gave to me: ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the eleventh day of Christmas my true love gave to me: eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + +On the twelfth day of Christmas my true love gave to me: twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. +``` + +## Source + +### Created by + +- @DoggettCK + +### Contributed to by + +- @angelikatyborska +- @Cohen-Carlisle +- @devonestes +- @neenjaw +- @PatrickMcSweeny +- @sotojuan + +### Based on + +Wikipedia - https://en.wikipedia.org/wiki/The_Twelve_Days_of_Christmas_(song) \ No newline at end of file diff --git a/elixir/twelve-days/lib/twelve_days.ex b/elixir/twelve-days/lib/twelve_days.ex new file mode 100644 index 0000000..08b0da6 --- /dev/null +++ b/elixir/twelve-days/lib/twelve_days.ex @@ -0,0 +1,37 @@ +defmodule TwelveDays do + @doc """ + Given a `number`, return the song's verse for that specific day, including + all gifts for previous days in the same line. + """ + @spec verse(number :: integer) :: String.t() + def verse(1), do: "On the first day of Christmas my true love gave to me: a Partridge in a Pear Tree." + def verse(2), do: "On the second day of Christmas my true love gave to me: two Turtle Doves, and a Partridge in a Pear Tree." + def verse(3), do: "On the third day of Christmas my true love gave to me: three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(4), do: "On the fourth day of Christmas my true love gave to me: four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(5), do: "On the fifth day of Christmas my true love gave to me: five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(6), do: "On the sixth day of Christmas my true love gave to me: six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(7), do: "On the seventh day of Christmas my true love gave to me: seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(8), do: "On the eighth day of Christmas my true love gave to me: eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(9), do: "On the ninth day of Christmas my true love gave to me: nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(10), do: "On the tenth day of Christmas my true love gave to me: ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(11), do: "On the eleventh day of Christmas my true love gave to me: eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + def verse(12), do: "On the twelfth day of Christmas my true love gave to me: twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + + @doc """ + Given a `starting_verse` and an `ending_verse`, return the verses for each + included day, one per line. + """ + @spec verses(starting_verse :: integer, ending_verse :: integer) :: String.t() + def verses(starting_verse, ending_verse) do + starting_verse..ending_verse + |> Enum.map(&verse/1) + |> Enum.join("\n") + end + + @doc """ + Sing all 12 verses, in order, one verse per line. + """ + @spec sing() :: String.t() + def sing(), do: verses(1, 12) + +end diff --git a/elixir/twelve-days/mix.exs b/elixir/twelve-days/mix.exs new file mode 100644 index 0000000..0c3bf9c --- /dev/null +++ b/elixir/twelve-days/mix.exs @@ -0,0 +1,28 @@ +defmodule TwelveDays.MixProject do + use Mix.Project + + def project do + [ + app: :twelve_days, + version: "0.1.0", + # elixir: "~> 1.8", + start_permanent: Mix.env() == :prod, + deps: deps() + ] + end + + # Run "mix help compile.app" to learn about applications. + def application do + [ + extra_applications: [:logger] + ] + end + + # Run "mix help deps" to learn about dependencies. + defp deps do + [ + # {:dep_from_hexpm, "~> 0.3.0"}, + # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"} + ] + end +end diff --git a/elixir/twelve-days/test/test_helper.exs b/elixir/twelve-days/test/test_helper.exs new file mode 100644 index 0000000..35fc5bf --- /dev/null +++ b/elixir/twelve-days/test/test_helper.exs @@ -0,0 +1,2 @@ +ExUnit.start() +ExUnit.configure(exclude: :pending, trace: true) diff --git a/elixir/twelve-days/test/twelve_days_test.exs b/elixir/twelve-days/test/twelve_days_test.exs new file mode 100644 index 0000000..3e42231 --- /dev/null +++ b/elixir/twelve-days/test/twelve_days_test.exs @@ -0,0 +1,127 @@ +defmodule TwelveDaysTest do + use ExUnit.Case + + describe "verse" do + test "first verse" do + assert TwelveDays.verse(1) == + "On the first day of Christmas my true love gave to me: a Partridge in a Pear Tree." + end + + test "second verse" do + assert TwelveDays.verse(2) == + "On the second day of Christmas my true love gave to me: two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "third verse" do + assert TwelveDays.verse(3) == + "On the third day of Christmas my true love gave to me: three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "fourth verse" do + assert TwelveDays.verse(4) == + "On the fourth day of Christmas my true love gave to me: four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "fifth verse" do + assert TwelveDays.verse(5) == + "On the fifth day of Christmas my true love gave to me: five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "sixth verse" do + assert TwelveDays.verse(6) == + "On the sixth day of Christmas my true love gave to me: six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "seventh verse" do + assert TwelveDays.verse(7) == + "On the seventh day of Christmas my true love gave to me: seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "eighth verse" do + assert TwelveDays.verse(8) == + "On the eighth day of Christmas my true love gave to me: eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "ninth verse" do + assert TwelveDays.verse(9) == + "On the ninth day of Christmas my true love gave to me: nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "tenth verse" do + assert TwelveDays.verse(10) == + "On the tenth day of Christmas my true love gave to me: ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "eleventh verse" do + assert TwelveDays.verse(11) == + "On the eleventh day of Christmas my true love gave to me: eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + + test "twelfth verse" do + assert TwelveDays.verse(12) == + "On the twelfth day of Christmas my true love gave to me: twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree." + end + end + + describe "verses" do + test "1-3" do + assert TwelveDays.verses(1, 3) == + """ + On the first day of Christmas my true love gave to me: a Partridge in a Pear Tree. + On the second day of Christmas my true love gave to me: two Turtle Doves, and a Partridge in a Pear Tree. + On the third day of Christmas my true love gave to me: three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + """ + |> String.trim() + end + + test "4-6" do + assert TwelveDays.verses(4, 6) == + """ + On the fourth day of Christmas my true love gave to me: four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the fifth day of Christmas my true love gave to me: five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the sixth day of Christmas my true love gave to me: six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + """ + |> String.trim() + end + + test "1-12" do + assert TwelveDays.verses(1, 12) == + """ + On the first day of Christmas my true love gave to me: a Partridge in a Pear Tree. + On the second day of Christmas my true love gave to me: two Turtle Doves, and a Partridge in a Pear Tree. + On the third day of Christmas my true love gave to me: three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the fourth day of Christmas my true love gave to me: four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the fifth day of Christmas my true love gave to me: five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the sixth day of Christmas my true love gave to me: six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the seventh day of Christmas my true love gave to me: seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the eighth day of Christmas my true love gave to me: eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the ninth day of Christmas my true love gave to me: nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the tenth day of Christmas my true love gave to me: ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the eleventh day of Christmas my true love gave to me: eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the twelfth day of Christmas my true love gave to me: twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + """ + |> String.trim() + end + end + + describe "sing" do + test "all 12 verses" do + assert TwelveDays.sing() == + """ + On the first day of Christmas my true love gave to me: a Partridge in a Pear Tree. + On the second day of Christmas my true love gave to me: two Turtle Doves, and a Partridge in a Pear Tree. + On the third day of Christmas my true love gave to me: three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the fourth day of Christmas my true love gave to me: four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the fifth day of Christmas my true love gave to me: five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the sixth day of Christmas my true love gave to me: six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the seventh day of Christmas my true love gave to me: seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the eighth day of Christmas my true love gave to me: eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the ninth day of Christmas my true love gave to me: nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the tenth day of Christmas my true love gave to me: ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the eleventh day of Christmas my true love gave to me: eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + On the twelfth day of Christmas my true love gave to me: twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree. + """ + |> String.trim() + end + end +end