Added bottle_song

config.json

@@ -2151,6 +2151,26 @@
         "difficulty": 3,
         "status": "deprecated"
       },
+      {
+        "slug": "bottle-song",
+        "name": "Bottle Song",
+        "uuid": "70bec74a-0677-40c9-b9c9-cbcc49a2eae4",
+        "practices": ["generators"],
+        "prerequisites": [
+          "basics",
+          "conditionals",
+          "dicts",
+          "lists",
+          "list-methods",
+          "loops",
+          "numbers",
+          "strings",
+          "string-methods",
+          "tuples"
+        ],
+        "difficulty": 3,
+        "status": "deprecated"
+      },
       {
         "slug": "trinary",
         "name": "Trinary",

exercises/practice/bottle-song/.docs/instructions.md

@@ -0,0 +1,57 @@
+# Instructions
+
+Recite the lyrics to that popular children's repetitive song: Ten Green Bottles.
+
+Note that not all verses are identical.
+
+```text
+Ten green bottles hanging on the wall,
+Ten green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be nine green bottles hanging on the wall.
+
+Nine green bottles hanging on the wall,
+Nine green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be eight green bottles hanging on the wall.
+
+Eight green bottles hanging on the wall,
+Eight green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be seven green bottles hanging on the wall.
+
+Seven green bottles hanging on the wall,
+Seven green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be six green bottles hanging on the wall.
+
+Six green bottles hanging on the wall,
+Six green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be five green bottles hanging on the wall.
+
+Five green bottles hanging on the wall,
+Five green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be four green bottles hanging on the wall.
+
+Four green bottles hanging on the wall,
+Four green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be three green bottles hanging on the wall.
+
+Three green bottles hanging on the wall,
+Three green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be two green bottles hanging on the wall.
+
+Two green bottles hanging on the wall,
+Two green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be one green bottle hanging on the wall.
+
+One green bottle hanging on the wall,
+One green bottle hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be no green bottles hanging on the wall.
+```

exercises/practice/bottle-song/.meta/config.json

@@ -0,0 +1,19 @@
+{
+  "blurb": "Produce the lyrics to the popular children's repetitive song: Ten Green Bottles.",
+  "authors": ["meatball133", "BethanyG"],
+  "contributors": [
+  ],
+  "files": {
+    "solution": [
+      "bottle_song.py"
+    ],
+    "test": [
+      "bottle_song_test.py"
+    ],
+    "example": [
+      ".meta/example.py"
+    ]
+  },
+  "source": "Wikipedia",
+  "source_url": "https://en.wikipedia.org/wiki/Ten_Green_Bottles"
+}

exercises/practice/bottle-song/.meta/example.py

@@ -0,0 +1,34 @@
+NUMBERS = {10: "ten", 9: "nine", 8: "eight", 7: "seven", 6: "six", 5: "five", 4: "four", 3: "three", 2: "two", 1: "one", 0: "no"}
+
+def recite(start, take=1):
+    results = []
+    for idx in range(start, start - take, -1):
+        results.extend(verse(idx))
+        if idx > start - take + 1:
+            results.append('')
+    return results
+
+
+def verse(number):
+    return [
+        *main_verse(number),
+        "And if one green bottle should accidentally fall,",
+        last_verse(number)
+        ]
+
+def main_verse(number):
+    if number == 1:
+        return [
+            f'One green bottle hanging on the wall,',
+            f'One green bottle hanging on the wall,',
+        ]
+    else:
+        return [
+        f'{NUMBERS[number].capitalize()} green bottles hanging on the wall,',
+        f'{NUMBERS[number].capitalize()} green bottles hanging on the wall,',]
+
+def last_verse(number):
+    if number -1 == 1:
+        return f"There'll be one green bottle hanging on the wall."
+    else:
+        return f"There'll be {NUMBERS[number-1]} green bottles hanging on the wall."

exercises/practice/bottle-song/.meta/template.j2

@@ -0,0 +1,23 @@
+{%- import "generator_macros.j2" as macros with context -%}
+{{ macros.header() }}
+
+class {{ exercise | camel_case }}Test(unittest.TestCase):
+    {% for case in cases -%}
+    {% for subcase in case["cases"] -%}
+    {% for subsubcase in subcase["cases"] -%}
+    def test_{{ subsubcase["description"] | to_snake }}(self):
+        {% set start = subsubcase["input"]["startBottles"] -%}
+        {% set take = subsubcase["input"]["takeDown"] -%}
+        expected = {{ subsubcase["expected"] }}
+        {%- if take == 1 %}
+        self.assertEqual({{ subsubcase["property"] }}(start={{ start}}), expected)
+        {% else %}
+        self.assertEqual({{ subsubcase["property"] }}(start={{ start}}, take={{ take }}), expected)
+        {% endif %}
+
+    {% endfor %}
+    {% endfor %}
+    {% endfor %}
+
+
+{{ macros.footer() }}

exercises/practice/bottle-song/.meta/tests.toml

@@ -0,0 +1,31 @@
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
+
+[d4ccf8fc-01dc-48c0-a201-4fbeb30f2d03]
+description = "verse -> single verse -> first generic verse"
+
+[0f0aded3-472a-4c64-b842-18d4f1f5f030]
+description = "verse -> single verse -> last generic verse"
+
+[f61f3c97-131f-459e-b40a-7428f3ed99d9]
+description = "verse -> single verse -> verse with 2 bottles"
+
+[05eadba9-5dbd-401e-a7e8-d17cc9baa8e0]
+description = "verse -> single verse -> verse with 1 bottle"
+
+[a4a28170-83d6-4dc1-bd8b-319b6abb6a80]
+description = "lyrics -> multiple verses -> first two verses"
+
+[3185d438-c5ac-4ce6-bcd3-02c9ff1ed8db]
+description = "lyrics -> multiple verses -> last three verses"
+
+[28c1584a-0e51-4b65-9ae2-fbc0bf4bbb28]
+description = "lyrics -> multiple verses -> all verses"

exercises/practice/bottle-song/bottle_song.py

@@ -0,0 +1,2 @@
+def recite(start, take=1):
+    pass

exercises/practice/bottle-song/bottle_song_test.py

@@ -0,0 +1,136 @@
+import unittest
+
+from bottle_song import (
+    recite,
+)
+
+# Tests adapted from `problem-specifications//canonical-data.json`
+
+
+class BottleSongTest(unittest.TestCase):
+    def test_first_generic_verse(self):
+        expected = [
+            "Ten green bottles hanging on the wall,",
+            "Ten green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be nine green bottles hanging on the wall.",
+        ]
+        self.assertEqual(recite(start=10), expected)
+
+    def test_last_generic_verse(self):
+        expected = [
+            "Three green bottles hanging on the wall,",
+            "Three green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be two green bottles hanging on the wall.",
+        ]
+        self.assertEqual(recite(start=3), expected)
+
+    def test_verse_with_2_bottles(self):
+        expected = [
+            "Two green bottles hanging on the wall,",
+            "Two green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be one green bottle hanging on the wall.",
+        ]
+        self.assertEqual(recite(start=2), expected)
+
+    def test_verse_with_1_bottle(self):
+        expected = [
+            "One green bottle hanging on the wall,",
+            "One green bottle hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be no green bottles hanging on the wall.",
+        ]
+        self.assertEqual(recite(start=1), expected)
+
+    def test_first_two_verses(self):
+        expected = [
+            "Ten green bottles hanging on the wall,",
+            "Ten green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be nine green bottles hanging on the wall.",
+            "",
+            "Nine green bottles hanging on the wall,",
+            "Nine green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be eight green bottles hanging on the wall.",
+        ]
+        self.assertEqual(recite(start=10, take=2), expected)
+
+    def test_last_three_verses(self):
+        expected = [
+            "Three green bottles hanging on the wall,",
+            "Three green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be two green bottles hanging on the wall.",
+            "",
+            "Two green bottles hanging on the wall,",
+            "Two green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be one green bottle hanging on the wall.",
+            "",
+            "One green bottle hanging on the wall,",
+            "One green bottle hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be no green bottles hanging on the wall.",
+        ]
+        self.assertEqual(recite(start=3, take=3), expected)
+
+    def test_all_verses(self):
+        expected = [
+            "Ten green bottles hanging on the wall,",
+            "Ten green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be nine green bottles hanging on the wall.",
+            "",
+            "Nine green bottles hanging on the wall,",
+            "Nine green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be eight green bottles hanging on the wall.",
+            "",
+            "Eight green bottles hanging on the wall,",
+            "Eight green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be seven green bottles hanging on the wall.",
+            "",
+            "Seven green bottles hanging on the wall,",
+            "Seven green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be six green bottles hanging on the wall.",
+            "",
+            "Six green bottles hanging on the wall,",
+            "Six green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be five green bottles hanging on the wall.",
+            "",
+            "Five green bottles hanging on the wall,",
+            "Five green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be four green bottles hanging on the wall.",
+            "",
+            "Four green bottles hanging on the wall,",
+            "Four green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be three green bottles hanging on the wall.",
+            "",
+            "Three green bottles hanging on the wall,",
+            "Three green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be two green bottles hanging on the wall.",
+            "",
+            "Two green bottles hanging on the wall,",
+            "Two green bottles hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be one green bottle hanging on the wall.",
+            "",
+            "One green bottle hanging on the wall,",
+            "One green bottle hanging on the wall,",
+            "And if one green bottle should accidentally fall,",
+            "There'll be no green bottles hanging on the wall.",
+        ]
+        self.assertEqual(recite(start=10, take=10), expected)
+
+
+if __name__ == "__main__":
+    unittest.main()