I want to learn [SKILL] from a beginner level to an advanced professional level within [TIMEFRAME, e.g., 3 months]. Create a detailed learning path. Break it down into 4 distinct phases (Beginner, Intermediate, Advanced, Expert). For each phase, provide: 1. Specific learning objectives. 2. Recommended high-quality resources (books, courses, papers). 3. Practical projects or exercises to solidify knowledge. 4. Criteria to verify mastery before moving to the next phase. Ensure the difficulty scales progressively.