</span></code></pre><p>As an alternative, you can install <code>textual</code> (see <a href=https://textual.textualize.io/getting_started/>Textual documentation</a> for more details), clone my <a href=https://github.com/learnbyexample/TUI-apps>TUI-apps</a> repository and run the <code>pyregex_exercises.py</code> file.<p>Adjust the terminal dimensions for the widgets to appear properly, for example 84x25 (characters x lines).</p><br><h2 id=video-demo>Video demo<a aria-label="Anchor link for: video-demo" class=zola-anchor href=#video-demo>🔗</a></h2><p align=center><iframe allow="accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture" title="YouTube video player" allowfullscreen frameborder=0 height=315 loading=lazy src=https://www.youtube.com/embed/0oXPeF8HutQ width=560></iframe></p><br><h2 id=brief-guide>Brief Guide<a aria-label="Anchor link for: brief-guide" class=zola-anchor href=#brief-guide>🔗</a></h2><ul><li>Type your solution in the input box below the question. <ul><li>Use <code>ip</code> variable to represent the sample input.<li>Any single valid Python expression will be accepted.<li>Some basic readline-like shortcuts are supported, for example <strong>Ctrl+u</strong>, <strong>Ctrl+k</strong>, <strong>Ctrl+w</strong>, etc</ul><li>Press <strong>Enter</strong> to execute the code. <ul><li>Output would be displayed below the command box.<li>If the output matches the expected results, the solution box will turn <em>green</em> and a reference solution will also be shown.<li>Error messages due to exceptions will be displayed in <em>red</em>.</ul><li>Press <strong>Ctrl+p</strong> and <strong>Ctrl+n</strong> to navigate the questions list.<li>Press <strong>Ctrl+r</strong> to toggle between <strong>str</strong> and <strong>repr</strong> — helps to spot characters like tabs, newlines, backspaces, etc.<li>Press <strong>Ctrl+b</strong> to toggle between <strong>expected</strong> and <strong>actual</strong> — helps to debug incorrect solutions.<li>Press <strong>Ctrl+s</strong> to show the reference solution if you are unable to solve an exercise.<li>Press <strong>Ctrl+t</strong> to toggle between light and dark themes.<li>Press <strong>Ctrl+q</strong> to quit the app.<li>Press <strong>F1</strong> to view a detailed guide within the app itself and press <strong>F2</strong> to get back to the exercises.</ul><p>Your progress will be automatically saved and restored. Already answered questions will be skipped.<blockquote><p><img alt=warning src=/images/warning.svg> There is no safeguard against the code you are executing. They are treated as if you executed them from a Python program.</blockquote><p>See <a href=https://github.com/learnbyexample/TUI-apps/blob/main/PyRegexExercises/app_guide.md>app_guide.md</a> for more detailed instructions.</p><br><h2 id=ebook>Ebook<a aria-label="Anchor link for: ebook" class=zola-anchor href=#ebook>🔗</a></h2><p>See my <a href=https://github.com/learnbyexample/py_regular_expressions>Understanding Python re(gex)?</a> ebook to learn regular expressions with hundreds of examples and exercises.</p><br><h2 id=feedback>Feedback<a aria-label="Anchor link for: feedback" class=zola-anchor href=#feedback>🔗</a></h2><p>I'd highly appreciate your feedback. Please file <a href=https://github.com/learnbyexample/TUI-apps/issues>an issue</a> if there are bugs, crashes, etc.<p>Hope you find this TUI app useful. Happy learning :)</div><div class=post-footer><div class=post-tags><a href=https://learnbyexample.github.io/tags/python/>#python</a><a href=https://learnbyexample.github.io/tags/regular-expressions/>#regular-expressions</a><a href=https://learnbyexample.github.io/tags/exercises/>#exercises</a></div><hr color=#e6e6e6><div class=post-nav><p><a class=next href=https://learnbyexample.github.io/python-regex-playground/>Python Regular Expressions Playground →</a><br></div><hr color=#e6e6e6><p>📰 Use <a href=https://learnbyexample.github.io/atom.xml>this link</a> for the Atom feed. <br> ✅ Follow me on <a href=https://twitter.com/learn_byexample>Twitter</a>, <a href=https://github.com/learnbyexample>GitHub</a> and <a href=https://www.youtube.com/c/learnbyexample42>Youtube</a> for interesting tech nuggets. <br> 📧 Subscribe to <a href=https://learnbyexample.gumroad.com/l/learnbyexample-weekly>learnbyexample weekly</a> for programming resources, tips, tools, free ebooks and more (free newsletter, delivered every Friday).<hr color=#e6e6e6></div></article></div></main></div><script src=https://learnbyexample.github.io/even.js></script>
0 commit comments