If your goal is only web3, then pick a language specific to a target blockchain protocol. Solidity will basically let you learn to program for a good portion of smart contracts as well as a any memecoin that was made with the ETH protocol.

That being said, you probably want to learn a language that you can tinker with while not connected to a blockchain unless you don't mind everyone being able to track your contract attempts as you learn. Iirc, even if you create a test coin, that test coin is still attached to active nodes hosted on a parent protocol, so those test contracts can be viewed by anyone using a blockchain explorer.

If you already have a great grasp of the blockchain, solidity is fine as a starter language. However, if you are new-new to the inner workings of the tech, pick a language that you can tinker with on your own hardware. Developing web3 apps generally mean that you need experience with other languages too and the smart contracts are basically the interface to store app data on the blockchain instead of a normal App -> API -> DB data pipeline.

The good news is that most core-concepts translate pretty well, so it doesn't matter what your starter language is. Each have their own caveats and learning curves. Python has easy syntax, but lacks many GUI libraries, so it is preferred for creating scripts. Javascript is amazing for web3 apps, but you will need to learn it along with HTML and CSS simultaneously to really understand how the JS scripts relate to interactivity of the markdown containers in a webpage. Solidity is good for actually getting into the nuts and bolts of smart contract creation, but you might lack more traditional testing environments outside of your IDE to get a feel for what your code is actually doing.

Pick your fave, have fun, don't get discouraged when your code breaks (it will break often, even when you build up experience), and try to leverage AI for explanations rather than code generation when you first start out. You absolutely need to learn to troubleshoot on your own before AI will be useful as a coding assistent. If you don't know how to check what is going wrong, you won't know how to ask better questions to get the answers you need to fix your bugs.