It absolutely is a feature of being a beginner but it is not an issue; it is not a bug.
How many hours total have you been programming for in your life?
Any skill takes hundreds if not thousands of hours of practice to become adept, and tens of thousands to reach mastery.
You’re at the beginning of your journey. It’s completely normal to not have internalised everything you’ve covered so far.
Keep going. That’s all you need to do. Keep practicing. Keep typing. Keep googling. Keep reading. You. Will. Get. Better.