chore: import upstream snapshot with attribution

curriculum/challenges/english/blocks/daily-coding-challenges-python/6a22d77ddf034bc4e35b1d5c.md

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+---
+id: 6a22d77ddf034bc4e35b1d5c
+title: "Challenge 355: Morse Code"
+challengeType: 29
+dashedName: challenge-355
+---
+
+# --description--
+
+Given a Morse code string, return the decoded message using the following table:
+
+| Code | Letter | Code | Letter |
+|------|--------|------|--------|
+| `.-` | `A` | `-.` | `N` |
+| `-...` | `B` | `---` | `O` |
+| `-.-.` | `C` | `.--.` | `P` |
+| `-..` | `D` | `--.-` | `Q` |
+| `.` | `E` | `.-.` | `R` |
+| `..-.` | `F` | `...` | `S` |
+| `--.` | `G` | `-` | `T` |
+| `....` | `H` | `..-` | `U` |
+| `..` | `I` | `...-` | `V` |
+| `.---` | `J` | `.--` | `W` |
+| `-.-` | `K` | `-..-` | `X` |
+| `.-..` | `L` | `-.--` | `Y` |
+| `--` | `M` | `--..` | `Z` |
+
+- Letters are separated by a single space
+- Words are separated by three spaces
+
+# --hints--
+
+`decode_morse("--..")` should return `"Z"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(decode_morse("--.."), "Z")`)
+}})
+```
+
+`decode_morse("... --- ...")` should return `"SOS"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(decode_morse("... --- ..."), "SOS")`)
+}})
+```
+
+`decode_morse("..-. .-. . . -.-. --- -.. . -.-. .- -- .--.")` should return `"FREECODECAMP"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(decode_morse("..-. .-. . . -.-. --- -.. . -.-. .- -- .--."), "FREECODECAMP")`)
+}})
+```
+
+`decode_morse(".... . .-.. .-.. ---   .-- --- .-. .-.. -..")` should return `"HELLO WORLD"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(decode_morse(".... . .-.. .-.. ---   .-- --- .-. .-.. -.."), "HELLO WORLD")`)
+}})
+```
+
+`decode_morse("- .... .   --.- ..- .. -.-. -.-   -... .-. --- .-- -.   ..-. --- -..-   .--- ..- -- .--. . -..   --- ...- . .-.   - .... .   .-.. .- --.. -.--   -.. --- --.")` should return `"THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(decode_morse("- .... .   --.- ..- .. -.-. -.-   -... .-. --- .-- -.   ..-. --- -..-   .--- ..- -- .--. . -..   --- ...- . .-.   - .... .   .-.. .- --.. -.--   -.. --- --."), "THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG")`)
+}})
+```
+
+# --seed--
+
+## --seed-contents--
+
+```py
+def decode_morse(code):
+
+    return code
+```
+
+# --solutions--
+
+```py
+def decode_morse(code):
+    table = {
+        '.-': 'A', '-...': 'B', '-.-.': 'C', '-..': 'D', '.': 'E',
+        '..-.': 'F', '--.': 'G', '....': 'H', '..': 'I', '.---': 'J',
+        '-.-': 'K', '.-..': 'L', '--': 'M', '-.': 'N', '---': 'O',
+        '.--.': 'P', '--.-': 'Q', '.-.': 'R', '...': 'S', '-': 'T',
+        '..-': 'U', '...-': 'V', '.--': 'W', '-..-': 'X', '-.--': 'Y',
+        '--..': 'Z'
+    }
+    return ' '.join(
+        ''.join(table[c] for c in word.split(' '))
+        for word in code.split('   ')
+    )
+```