ISBN in Python in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 218th DGipe 563 126 15ms 13 May 2024 218th retrohun 563 126 11ms 18 Oct 2024 218th yokasuretsu 563 126 10ms 23 Jan 2025 218th bknower 563 126 12ms 26 Jun 2025 230th jacklynnepenick 559 127 11ms 15 Feb 2022 230th Pena86 559 127 20ms 14 Sep 2022 230th pascscha 559 127 10ms 18 Sep 2022 230th DrPiranoid 559 127 10ms 8 Oct 2022 230th epic-programmer-guy 559 127 12ms 21 Dec 2023 230th 40fied4t 559 127 10ms 15 May 2025 230th Matter1024 🇮🇳 559 127 16ms 2 Jul 2025 230th Luke44565 559 127 11ms 10 Aug 2025 230th jacekwladzinski 559 127 14ms 5 Oct 2025 239th gchenfc 555 128 10ms 24 Jan 2022 239th pyrolitic 🇮🇪 555 128 14ms 5 Apr 2022 239th Wildst 555 128 11ms 4 Aug 2023 239th sleepyStick 555 128 9ms 7 Dec 2023 239th damoose717 555 128 10ms 23 May 2025 244th amollberg 🇸🇪 550 129 11ms 21 Jan 2022 244th jfallon1997 550 129 10ms 18 Aug 2022 244th CameronGBell 550 129 10ms 10 Nov 2022 244th 2011-Chan-Ethan 550 129 18ms 20 Jul 2023 244th inverseLorentz 🇦🇺 550 129 11ms 8 Oct 2023 244th trsav 550 129 21ms 29 Oct 2023 244th aalec 550 129 18ms 24 Apr 2024 244th Europe2048 550 129 11ms 16 Mar 2025 244th pquline 550 129 11ms 23 Apr 2025 253rd AkashTandon167 546 130 10ms 18 Jan 2022 253rd feherd 546 130 22ms 16 Apr 2022 253rd caraar12345 546 130 13ms 27 May 2022 253rd ordinary-slim 546 130 11ms 18 Nov 2022 253rd bonevbs 546 130 11ms 18 Nov 2022 253rd mbittner20 546 130 14ms 27 May 2023 253rd resoNathan 546 130 11ms 13 May 2024 253rd codingisgreatbutiamnot 546 130 11ms 9 Aug 2024 253rd NanduBC 546 130 10ms 3 Sep 2024 262nd michelebastione 🇮🇹 542 131 15ms 14 Jan 2022 262nd midnattssol 🇸🇪 542 131 11ms 19 May 2022 262nd aksyristos 542 131 16ms 11 Jun 2023 262nd alexjurkiewicz 🇦🇺 542 131 11ms 8 Nov 2023 262nd sciencedjinn 542 131 15ms 8 Nov 2024 262nd wobblybits 542 131 19ms 15 Aug 2025 262nd cthierfelder 🇲🇨 542 131 14ms 12 Sep 2025 269th twocatsinatrenchcoat 538 132 10ms 10 May 2022 269th dillon-duncando 538 132 12ms 19 Oct 2022 269th eiburns 538 132 11ms 11 Oct 2023 269th estomagordo 🇳🇱 538 132 11ms 25 Mar 2025 273rd adoxography 534 133 12ms 20 Jan 2022 273rd jhpaques 🇫🇷 534 133 10ms 26 Jul 2022 273rd dranjohn 534 133 11ms 10 Sep 2023 273rd countlpaul-dotcom 534 133 16ms 15 days ago 277th zoemarschner 530 134 14ms 16 May 2022 277th nullie 530 134 11ms 8 Jun 2022 277th thomasklunker 530 134 11ms 20 Feb 2023 277th yuchuehw 530 134 10ms 22 Jan 2024 281st petroselo 526 135 11ms 9 Apr 2022 281st trist224 🇫🇷 526 135 10ms 29 Sep 2022 281st mrmena 🇦🇺 526 135 21ms 16 Apr 2024 284th kyleclaassen 522 136 10ms 9 Feb 2022 284th za3k 522 136 10ms 8 Oct 2022 284th shibacho 🇯🇵 522 136 10ms 30 Nov 2022 284th chlorobenzene12 522 136 10ms 26 Dec 2022 284th Schreipfelerer 522 136 10ms 11 Sep 2024 284th hamilton-bonds 522 136 10ms 12 Nov 2024 284th ffelixm 522 136 10ms 7 Jun 2025 291st MathieuIko 518 137 12ms 21 Feb 2022 291st RDShah 518 137 11ms 18 May 2022 291st cameronezell 518 137 11ms 19 Jul 2022 291st enbyte 518 137 17ms 20 Dec 2022 295th Troon 514 138 16ms 11 Oct 2022 295th nayakrujul 514 138 20ms 3 Jan 2023 295th celiendonze 🇨🇭 514 138 12ms 20 Apr 2023 295th willdaspit 514 138 10ms 6 Aug 2023 295th GitQuick 514 138 10ms 9 Mar 2024 300th brochmann 🇸🇪 511 139 10ms 6 Feb 2022 First Prev 226–300 of 360 Next Last