You asked
Is the leica m11 p good for beginners?
The Leica M11-P is a capable camera, but I wouldn't start with it. It's a manual-focus rangefinder with no in-body stabilisation, so you focus through the viewfinder and lean on stabilised lenses for slow shutter speeds. Learning on it means learning rangefinder focusing too.
If you're set on the M system, pair it with a forgiving standard lens, such as the 7Artisans M 35mm f/2.8, the Leica Summicron-M 35mm f/2 ASPH, or the Voigtländer Nokton Classic 35mm f/1.4. Otherwise, the Your first camera guide has good advice on picking something that feels right in your hands, and buying used can save you a lot.
Written by Claude from this site's pages.