As you should notice, Python isn’t only a web development programming language but used in most stuff regarding to data science, machine learning, software development, etc.
In order to getting strated for web development, you should learn HTML5 + CSS + JS. These three languages can help you to accomplish the Front-End part of the webpage while you require some Back-end language and Databases if you want to process and store data.
Most used Back end languages:
There is a huge ammount of tecnologies regarding web development (frameworks, libraries, APIs) but don’t worry, you don’t have to learn everything to make your own website
Thanks @kingdarboja. Another question- What are today’s leading things–> Data science? Machine learning? Software development? I mean to say what is the new coding trend? Again, thanks for the reply!