App #40 of 40
Plate Validator
Validates license-plate-like input against deterministic formatting rules.
Python
argparse
Python re
pytest
Python Portfolio
A catalogue of shipped practice.
40 applications are listed in reverse build order. Search and filter by status, stack, or concept to explore the catalogue.
40 apps
GitHubApp #39 of 40
Word Counter
Counts words and text statistics from files or direct terminal input.
Python
argparse
pathlib
Python collections
pytest
App #38 of 40
Virtual Vending Machine
Simulates vending selections, payment, inventory state, and change-making.
Python
argparse
pytest
App #37 of 40
Unit Converter
Converts values across common measurement systems with clear input validation.
Python
argparse
pytest
App #36 of 40
Tic Tac Toe
Implements a playable terminal Tic Tac Toe game with turn and win-state logic.
Python
argparse
pytest
App #35 of 40
Frequency Counter
Counts token frequencies in text and reports ranked frequency summaries.
Python
argparse
pathlib
Python collections
pytest
App #34 of 40
Digital Clock
Displays current time in a terminal-friendly digital clock format.
Python
argparse
Python datetime
pytest
App #33 of 40
Countdown Timer
Runs countdown timers with formatted terminal output and completion behavior.
Python
argparse
Python datetime
pytest
App #32 of 40
Calculator
Runs basic arithmetic operations through a small command-line calculator.
Python
argparse
pytest
App #31 of 40
Binary Search Visualizer
Shows binary search progress through ordered lists with step-by-step output.
Python
argparse
pytest