Mastering Python File I/O and Context Managers: Best Practices for 2025
·1431 words·7 mins
In the landscape of modern backend development—whether you are building high-throughput microservices using FastAPI or processing massive datasets for LLM training—file Input/Output (I/O) remains a fundamental skill. However, as we step into 2025, simply knowing how to open() a file is no longer sufficient for senior-level engineering.