Learn PYTHON with Real Code Examples
Updated Nov 18, 2025
Performance Notes
Use PyPy or Cython
Avoid heavy loops (use NumPy)
Use async for I/O-heavy tasks
Profile & optimize bottlenecks
Security Notes
Use virtual environments
Pin dependency versions
Sanitize user inputs
Avoid eval/exec
Use secure frameworks
Monitoring Analytics
Logging module
Prometheus metrics
Profiling tools
APM for Django/FastAPI
Code Quality
Follow PEP8
Use linters
Use type hints
Modular architecture