Java, C++, Python and C# are good languages to know. Once you know one or two the other ones won’t be difficult to learn
A few months. Sometimes a few weeks. Sometimes a few days. Sometimes a few years. It depends on if you understand the logic fast, or if your brain blocks it.
Depends on your speed. If you really want to sell your services, say a couple months to a year. Having experience with other languages would make learning Python and landing a job easier, too.
Some parts I get no problem then other parts just don’t click right away
Which languages would you recommend