Memory Management in Python
Python automatically manages memory using reference counting and garbage collection. Understanding this helps write efficient and bug-free programs.
How Python Manages Memory
- Private heap space
- Reference counting
- Garbage Collector
Reference Counting
a = [] b = a print(id(a) == id(b))
Garbage Collection
Python removes unused objects automatically.
import gc print(gc.collect())
Common Memory Issues
✔ Circular references
✔ Large objects in loops
✔ Global variables
✔ Large objects in loops
✔ Global variables
📝 Practice: Track object references using
sys.getrefcount()