You are going to be short-handed on tools to do that if you stick to Python, though Python is great to get introduced to programming. C++ and C# are going to allow you to work with the most used game engines in the market, but if you’re just starting to learn, you’re pretty far away from getting to your goal anyway.
A sensible route to take would be making some scripts in Python, then small apps in C, then small apps in C++, then a very small game on Unity, Unreal or Godot. Completing each of these milestones means that you have (or should have) learned either technical capabilities or philosophy of design that you are going to need for a very large piece of software with intricate logic. The extra neat part is that, if you give it up at some step of the way, you have still learned useful stuff. If you need extra motivation for things that do not seem to be too related to your ultimate goal, conceptualize those scripts or small apps as prototypes of modules of your dream game.
What are your goals, exactly?
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You are going to be short-handed on tools to do that if you stick to Python, though Python is great to get introduced to programming. C++ and C# are going to allow you to work with the most used game engines in the market, but if you’re just starting to learn, you’re pretty far away from getting to your goal anyway.
A sensible route to take would be making some scripts in Python, then small apps in C, then small apps in C++, then a very small game on Unity, Unreal or Godot. Completing each of these milestones means that you have (or should have) learned either technical capabilities or philosophy of design that you are going to need for a very large piece of software with intricate logic. The extra neat part is that, if you give it up at some step of the way, you have still learned useful stuff. If you need extra motivation for things that do not seem to be too related to your ultimate goal, conceptualize those scripts or small apps as prototypes of modules of your dream game.