Chapter 9
File Handling & I/O
2 topics in 2 parts
Key ideas
| Pattern / Feature | Idiomatic Pythonic Approach | Sub-optimal Anti-pattern |
|---|---|---|
| Data Processing | Comprehensions & Generators (Memory efficient) | Manual loops with repeated append calls |
| Resource Handling | Context Managers (with statement) | Manual open() and close() calls |
| Type Annotations | Type hinting via typing module | Unannotated dynamic parameters |
| Dictionary Lookups | dict.get(key, default) or defaultdict | Key check followed by indexed access |
All 2 topics in File Handling & I/O
File I/O
- File I/O & Context Managers
Serialization
- JSON & CSV Serialization