In HTML, we can represent programming code, variables, keyboard input, and system responses using special tags.
<pre> <code> <html> <body> <p>Hello World</p> </body> </html> </code> </pre>
<pre> <code> #include <stdio.h> int main() { printf("Hello World"); return 0; } </code> </pre>
<pre> <code> console.log("Hello World"); </code> </pre>
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Area of circle = π* r2 Speed = d/t