Sign in
Skip to solution
mediumDSA

What is the difference between shallow and deep copy?

1.2k views
01

Understand the problem

Explain copy vs deepcopy.

shallow-deep-copy
02

Attempt it yourself

Sketch your approach before reading the solution — that's what interviews test.

Nudge consolestandby

Stuck? Beam a request up — the console returns a conceptual nudge that guides your logic without spoiling the implementation.

03

Study the solution

A shallow copy (copy.copy, slicing) copies the outer object but shares references to nested objects — mutating a nested item affects both. A deep copy (copy.deepcopy) recursively copies everything, fully independent. Deep copy is safer but slower.

Solution ready — 2 min read

Classified // press E to declassify

04

Run the code

PYShallow shares nested objects; deep doesn't
Practice
05

Join the discussion

Discussion (0)

Sign in to join the discussion.

No responses yet. Be the first to share what you think.

Transmission complete // awaiting log

KEEP THE
STREAK ALIVE.

Dossier 23 of 120 decoded in the Python track. One more won't hurt.

Back to track