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<!DOCTYPE html> <html> <head> <style> ol li { list-style-type: square; } ul li { list-style-type: circle; } </style> </head> <body> <ol> <li>Web Development</li> <ul> <li>NodeJS</li> <li>PHP</li> </ul> <li>Database</li> <ul> <li>MySql</li> <li>Oracle</li> </ul> </ol> </body> </html>
Result
