Sandbox

A free playground for Python and ML code. No challenge, no grading — just run, tweak, and save your experiments.

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Python

Output

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Available Python libraries

Pre-installed in the in-browser runtime — just import them.

27/27

math

stdlib

import math

Basic mathematical functions (sqrt, sin, log, etc.).

statistics

stdlib

import statistics

Mean, median, stdev, variance and friends.

random

stdlib

import random

Pseudo-random number generation and sampling.

itertools

stdlib

import itertools

Efficient looping building blocks (combinations, permutations, chain).

functools

stdlib

import functools

Higher-order utilities like reduce, lru_cache, partial.

collections

stdlib

import collections

Counter, defaultdict, deque, namedtuple.

datetime

stdlib

import datetime

Dates, times, deltas and formatting.

json

stdlib

import json

Parse and serialize JSON.

stdlib

import re

Regular expressions.

string

stdlib

import string

String constants and helpers.

typing

stdlib

import typing

Type hints (List, Dict, Optional, etc.).

dataclasses

stdlib

import dataclasses

Decorator-based data classes.

heapq

stdlib

import heapq

Priority queue / min-heap algorithms.

bisect

stdlib

import bisect

Array bisection algorithms (sorted-list insertion).

stdlib

import io

In-memory streams (StringIO, BytesIO).

NumPy

scientific

import numpy

N-dimensional arrays, vectorized math, linear algebra.

SciPy

scientific

import scipy

Scientific algorithms: optimize, stats, signal, linalg.

SymPy

scientific

import sympy

Symbolic math: algebra, calculus, equation solving.

pandas

data

import pandas

DataFrames, CSV/Excel I/O, group-by, time series.

scikit-learn

import sklearn

Classical ML: regression, classification, clustering, preprocessing.

Matplotlib

viz

import matplotlib

Plotting and charts. Use matplotlib.pyplot.

urllib

stdlib

import urllib

URL handling utilities (parsing, requests in stdlib).

requests

web

import requests

HTTP requests (subject to browser CORS in sandbox).

pprint

stdlib

import pprint

Pretty-print Python data structures.

textwrap

stdlib

import textwrap

Text wrapping and indenting.

decimal

stdlib

import decimal

Fixed and floating point arithmetic with arbitrary precision.

fractions

stdlib

import fractions

Rational number arithmetic.

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Available Python libraries

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