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Morgan Garcia 22.05.2026 12:06

utils.py

def hello():
    print("Hello, World!")

Cameron Larsson 22.05.2026 12:05

Caesar cipher #98

From algorithms course

helper.py

def max_in_list(lst):
    m = lst[0]
    for x in lst:
        if x > m: m = x
    return m

print(max_in_list([3, 7, 1, 9, 4]))

Zion Santos 22.05.2026 12:05

LRU cache #39

Just for fun

algo.py

import random
def gen_password(length=12):
    chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%"
    return "".join(random.choice(chars) for _ in range(length))

print(gen_password())

main.py

def hello():
    print("Hello, World!")

algo.py

def bubble_sort(arr):
    n = len(arr)
    for i in range(n):
        for j in range(0, n-i-1):
            if arr[j] > arr[j+1]: arr[j], arr[j+1] = arr[j+1], arr[j]
    return arr

print(bubble_sort([5, 3, 8, 1, 2]))

Sydney Petrov 22.05.2026 12:05

Binary search #18

From algorithms course

test.py

import random
def gen_password(length=12):
    chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%"
    return "".join(random.choice(chars) for _ in range(length))

print(gen_password())

Rowan Kim 22.05.2026 12:05

A* pathfinding

Feedback appreciated

main.py

def binary_search(arr, target):
    lo, hi = 0, len(arr) - 1
    while lo <= hi:
        mid = (lo + hi) // 2
        if arr[mid] == target: return mid
        elif arr[mid] < target: lo = mid + 1
        else: hi = mid - 1
    return -1

print(binary_search([1,3,5,7,9], 7))

Alex Tanaka 22.05.2026 12:04

Expression calculator

Working prototype, needs tests

models.py

def max_in_list(lst):
    m = lst[0]
    for x in lst:
        if x > m: m = x
    return m

print(max_in_list([3, 7, 1, 9, 4]))

Taylor Larsson 22.05.2026 12:04

Text analysis

Ideas welcome

data.py

import random
def gen_password(length=12):
    chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%"
    return "".join(random.choice(chars) for _ in range(length))

print(gen_password())

main.py

def flatten(lst):
    result = []
    for item in lst:
        if isinstance(item, list): result.extend(flatten(item))
        else: result.append(item)
    return result

print(flatten([1, [2, [3, 4]], 5]))

Reese O'Brien 22.05.2026 12:03

Simple HTTP server

Small script for learning

helper.py

def memoize(fn):
    cache = {}
    def wrapper(*args):
        if args not in cache:
            cache[args] = fn(*args)
        return cache[args]
    return wrapper

@memoize
def expensive(n):
    return sum(range(n))

print(expensive(1000000))

Kai Patel 22.05.2026 12:03

Fibonacci recursive

algo.py

def fib(n):
    if n <= 1: return n
    return fib(n-1) + fib(n-2)

print(fib(10))

Hayden Johansson 22.05.2026 12:03

Text adventure

Hackathon project, built in one night

utils.py

class Node:
    def __init__(self, val):
        self.val = val
        self.next = None

class LinkedList:
    def __init__(self):
        self.head = None
    def append(self, val):
        if not self.head:
            self.head = Node(val)
            return
        cur = self.head
        while cur.next: cur = cur.next
        cur.next = Node(val)
    def display(self):
        cur = self.head
        while cur:
            print(cur.val, end=' ')
            cur = cur.next
        print()

ll = LinkedList()
ll.append(1); ll.append(2); ll.append(3)
ll.display()

solver.py

def memoize(fn):
    cache = {}
    def wrapper(*args):
        if args not in cache:
            cache[args] = fn(*args)
        return cache[args]
    return wrapper

@memoize
def expensive(n):
    return sum(range(n))

print(expensive(1000000))

Cameron Larsson 22.05.2026 12:02

Currency converter #24

Small script for learning

utils.py

def factorial(n):
    if n == 0: return 1
    return n * factorial(n-1)

print(factorial(5))

helper.py

def max_in_list(lst):
    m = lst[0]
    for x in lst:
        if x > m: m = x
    return m

print(max_in_list([3, 7, 1, 9, 4]))

solver.py

import random
def gen_password(length=12):
    chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%"
    return "".join(random.choice(chars) for _ in range(length))

print(gen_password())

Marley Fischer 22.05.2026 12:02

Tic-tac-toe #54

Small script for learning

utils.py

import random
def gen_password(length=12):
    chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%"
    return "".join(random.choice(chars) for _ in range(length))

print(gen_password())

Jordan Smith 22.05.2026 12:02

Dynamic programming

Just for fun

utils.py

def max_in_list(lst):
    m = lst[0]
    for x in lst:
        if x > m: m = x
    return m

print(max_in_list([3, 7, 1, 9, 4]))

data.py

from collections import Counter
def top_words(text, n=5):
    words = text.lower().split()
    return Counter(words).most_common(n)

print(top_words('the cat sat on the mat the cat'))

data.py

def reverse_string(s): return s[::-1]

print(reverse_string("hello"))

Rowan Kim 22.05.2026 12:02

Hash map from scratch #73

Clean and minimal

core.py

def memoize(fn):
    cache = {}
    def wrapper(*args):
        if args not in cache:
            cache[args] = fn(*args)
        return cache[args]
    return wrapper

@memoize
def expensive(n):
    return sum(range(n))

print(expensive(1000000))

data.py

from collections import Counter
def top_words(text, n=5):
    words = text.lower().split()
    return Counter(words).most_common(n)

print(top_words('the cat sat on the mat the cat'))

Avery Patel 22.05.2026 12:02

Trie implementation #66

Feedback appreciated

app.py

import random
def gen_password(length=12):
    chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%"
    return "".join(random.choice(chars) for _ in range(length))

print(gen_password())

main.py

def reverse_string(s): return s[::-1]

print(reverse_string("hello"))

handler.py

def is_prime(n):
    if n < 2: return False
    for i in range(2, int(n**0.5)+1):
        if n % i == 0: return False
    return True

print(is_prime(17))

Drew Larsson 22.05.2026 12:01

Binary search #57

Extracted from a larger project

algo.py

def fib(n):
    if n <= 1: return n
    return fib(n-1) + fib(n-2)

print(fib(10))

utils.py

def factorial(n):
    if n == 0: return 1
    return n * factorial(n-1)

print(factorial(5))

test.py

def factorial(n):
    if n == 0: return 1
    return n * factorial(n-1)

print(factorial(5))

Tatum Petrov 22.05.2026 12:01

Markdown parser #1

Work in progress

views.py

def debounce(fn, delay):
    import time
    last = [0.0]
    def wrapper(*args):
        now = time.time()
        if now - last[0] >= delay:
            last[0] = now
            return fn(*args)
    return wrapper

Casey Nakamura 22.05.2026 12:01

Tic-tac-toe #30

Open to PRs

config.py

def bubble_sort(arr):
    n = len(arr)
    for i in range(n):
        for j in range(0, n-i-1):
            if arr[j] > arr[j+1]: arr[j], arr[j+1] = arr[j+1], arr[j]
    return arr

print(bubble_sort([5, 3, 8, 1, 2]))

app.py

def factorial(n):
    if n == 0: return 1
    return n * factorial(n-1)

print(factorial(5))

Finley Larsson 22.05.2026 12:00

Weather parser

Pure Python, no deps

main.py

def hello():
    print("Hello, World!")

sdqqwwww 22.05.2026 12:00

Mini tetris #68

Extracted from a larger project

hello.py

core.py

def factorial(n):
    if n == 0: return 1
    return n * factorial(n-1)

print(factorial(5))

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