Tutorial in Python in chars. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 157th xyangst 0 67 11ms 14 Feb 2025 157th btjones0 0 67 12ms 17 Feb 2025 157th Troon 0 67 13ms 21 Feb 2025 157th pol-7 0 67 12ms 6 Mar 2025 157th jumpingtj 0 67 13ms 9 Mar 2025 157th rustykitty 🇺🇸 0 67 12ms 21 Mar 2025 157th retrohun 0 67 13ms 31 Mar 2025 157th pastelglowcloud 0 67 12ms 2 Apr 2025 157th litvanika 0 67 11ms 5 Apr 2025 157th Darklight-03 0 67 13ms 14 Apr 2025 157th nilan425 0 67 11ms 16 Apr 2025 157th Andriamanitra 🇫🇮 0 67 11ms 17 Apr 2025 157th adaGrad1 0 67 10ms 18 Apr 2025 157th codewrite 🇬🇧 0 67 12ms 18 Apr 2025 157th masterofsoap 0 67 11ms 24 Apr 2025 157th Lodiscode 0 67 11ms 6 May 2025 157th adammielniczuk 0 67 11ms 12 May 2025 157th erikji 0 67 12ms 23 May 2025 157th TheZwierzLF 🇵🇱 0 67 10ms 27 May 2025 157th NOS4A5I 0 67 11ms 9 Jun 2025 157th Rogacz 0 67 13ms 9 Jun 2025 157th henryjgt 0 67 11ms 17 Jun 2025 157th shininglegend 0 67 11ms 19 Jun 2025 157th kit971103 0 67 11ms 25 Jun 2025 157th Scaredname 0 67 13ms 5 Jul 2025 157th osNiko 🇧🇷 0 67 12ms 26 Jul 2025 157th LuisGoncalves05 🇵🇹 0 67 11ms 27 Jul 2025 157th dat9395 0 67 11ms 1 Aug 2025 157th avivex1000 0 67 12ms 16 Aug 2025 157th LNCH 0 67 12ms 20 Aug 2025 157th BoraTheDeveloper 0 67 11ms 24 Aug 2025 157th Kaleab-Ayenew 0 67 13ms 27 Aug 2025 157th canonnizq 0 67 12ms 30 Aug 2025 157th frederni 0 67 12ms 10 Sep 2025 157th tungland 0 67 11ms 10 Sep 2025 157th yibotongxue 0 67 10ms 20 Sep 2025 157th HHHMGK 0 67 11ms 26 Sep 2025 157th RZ781 0 67 10ms 26 Sep 2025 157th TheSilentWhisperer 0 67 11ms 3 Oct 2025 157th Nikinator2704 0 67 11ms 1 Nov 2025 157th TheDevilWillBeBee 0 67 12ms 7 Nov 2025 157th Mefred 0 67 12ms 21 Nov 2025 157th levinwinter 0 67 11ms 21 Nov 2025 157th GodlyProgrammer1 0 67 11ms 22 Nov 2025 157th adityachandak287 0 67 11ms 26 Nov 2025 157th lilymeoww 0 67 11ms 2 Dec 2025 157th llPlayll 0 67 12ms 5 Dec 2025 157th zgialor-lab 0 67 13ms 17 Dec 2025 157th JadonKJones 0 67 13ms 20 Jan 2026 157th matricronia 0 67 11ms 1 Feb 2026 157th StefanHabel 🇨🇦 0 67 12ms 1 Feb 2026 157th Andrey2001 0 67 12ms 1 Feb 2026 157th TaserTheFox 🇺🇸 0 67 12ms 3 Feb 2026 157th TheSecondComing123 0 67 11ms 4 Feb 2026 157th chenyuan33 0 67 11ms 20 days ago 157th Code-Coder-coder 0 67 12ms 18 days ago 157th SunnyFishQwQ 0 67 10ms 17 days ago 157th 4ndyJ 🇬🇧 0 67 10ms 2 days ago 219th jamesthekee 0 68 11ms 25 Jan 2025 219th te-chnical 0 68 11ms 6 May 2025 219th alexstarosta 0 68 11ms 16 Sep 2025 222nd DoubleUynn 0 69 12ms 19 Jun 2025 222nd bknower 0 69 13ms 22 Jun 2025 222nd remodik 0 69 10ms 5 Oct 2025 222nd enigma 0 69 9ms 20 Dec 2025 222nd elgan65536 🇺🇸 0 69 11ms 9 Feb 2026 227th JSG-GIT 0 70 12ms 15 May 2025 227th Jojoemc2 0 70 10ms 11 Jul 2025 227th Jeremy-Vidaurri 0 70 12ms 13 Jul 2025 227th AstroOrbis 0 70 12ms 17 Jul 2025 227th asherdiamond 0 70 12ms 14 Aug 2025 227th ukeSJTU 0 70 13ms 20 Oct 2025 233rd Lock1 0 71 11ms 5 Apr 2025 233rd Jigglypuffed 0 71 11ms 9 Jun 2025 233rd jmschl96 🇩🇪 0 71 11ms 14 Aug 2025 233rd Chidoya 0 71 12ms 15 Oct 2025 237th mbittner20 0 72 12ms 26 May 2025 237th paiv 0 72 12ms 16 Jun 2025 237th SectorCorruptor 0 72 10ms 8 Feb 2026 240th gautambp 0 74 11ms 17 Jun 2025 First Prev 161–240 of 387 Next Last