Reference library

Algorithms & data structures

Classic patterns — search, sort, stacks, queues, and practical complexity-aware code.

1 match
Algorithms & data structures easy

How to Flatten List of Dict Values in Python

This code flattens the values of a list of dictionaries into a single list, handling both list values and scalar values.

flatten dictionaries lists
Python
def flatten_dict_values(dicts):
    flattened = []
    for d in dicts:
        for value in d.values():
            if isinstance(value, list):
                flattened.extend(value)
            else:
                flattened.append(value)
    return flattened


if __name__ == "__main__":
    data = [
        {"a": …
12 0 Open

Browse by section

Each section groups closely related Python snippets.

Algorithms & data structures — Python code examples

What you will find here

This page collects algorithms & data structures snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.