What are nested structures in programming languages?

What are nested structures in programming languages?

Nested structures are data structures that contain other structures within them, like arrays of objects.

Can you give me an example of nested structures in Python?

Sure! In Python, you can have a list of dictionaries, like this: [{'name': 'Alice', 'age': 30}, {'name': 'Bob', 'age': 25}].

How do nested structures differ in JavaScript?

In JavaScript, you can use objects within arrays, like this: [{name: 'Alice', age: 30}, {name: 'Bob', age: 25}]. The syntax is slightly different.

Are there any performance considerations with nested structures?

Yes, deeply nested structures can lead to performance issues, especially in terms of memory usage and access time.