chore: import upstream snapshot with attribution

curriculum/challenges/english/blocks/daily-coding-challenges-python/6a0dcd03ee4e68698080ef6a.md

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+---
+id: 6a0dcd03ee4e68698080ef6a
+title: "Challenge 306: HTML Content Extractor"
+challengeType: 29
+dashedName: challenge-306
+---
+
+# --description--
+
+Given a string of HTML, return the plain text content with all tags removed.
+
+# --hints--
+
+`extract_content('<p>hello world</p>')` should return `"hello world"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(extract_content('<p>hello world</p>'), "hello world")`)
+}})
+```
+
+`extract_content('<p>hello <span>world</span></p>')` should return `"hello world"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(extract_content('<p>hello <span>world</span></p>'), "hello world")`)
+}})
+```
+
+`extract_content('<a href="example.com">Click me</a>')` should return `"Click me"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(extract_content('<a href="example.com">Click me</a>'), "Click me")`)
+}})
+```
+
+`extract_content('<p><button onClick="learnToCode()">Learn</button> to <code>code<code> <br/>for <strong>free</strong> <br/>on <a href="https://freecodecamp.org/" target="_blank"><span class="highlight">freecodecamp</span>.org</a>')` should return `"Learn to code for free on freecodecamp.org"`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(extract_content('<p><button onClick="learnToCode()">Learn</button> to <code>code<code> <br/>for <strong>free</strong> <br/>on <a href="https://freecodecamp.org/" target="_blank"><span class="highlight">freecodecamp</span>.org</a>'), "Learn to code for free on freecodecamp.org")`)
+}})
+```
+
+`extract_content('<div class="container"><h1 id="title">Welcome to <strong>My</strong> Website.</h1><p>This is a <a href="https://example.com" target="_blank">link</a> to something <em>really</em> <span class="highlight">important</span>.</p><ul><li>Item <strong>one</strong></li><li>Item <em>two</em></li><li>Item three</li></ul><img src="pic.jpg" alt="A picture"/><p class="footer">Contact us at <a href="mailto:hello@example.com">hello@example.com</a> for <span>more <strong>info</strong></span>.</p></div>')` should return `"Welcome to My Website.This is a link to something really important.Item oneItem twoItem threeContact us at hello@example.com for more info."`.
+
+```js
+({test: () => { runPython(`
+from unittest import TestCase
+TestCase().assertEqual(extract_content('<div class="container"><h1 id="title">Welcome to <strong>My</strong> Website.</h1><p>This is a <a href="https://example.com" target="_blank">link</a> to something <em>really</em> <span class="highlight">important</span>.</p><ul><li>Item <strong>one</strong></li><li>Item <em>two</em></li><li>Item three</li></ul><img src="pic.jpg" alt="A picture"/><p class="footer">Contact us at <a href="mailto:hello@example.com">hello@example.com</a> for <span>more <strong>info</strong></span>.</p></div>'), "Welcome to My Website.This is a link to something really important.Item oneItem twoItem threeContact us at hello@example.com for more info.")`)
+}})
+```
+
+# --seed--
+
+## --seed-contents--
+
+```py
+def extract_content(html):
+
+    return html
+```
+
+# --solutions--
+
+```py
+import re
+
+def extract_content(html):
+    return re.sub(r'<[^>]*>', '', html).strip()
+```