ISBN in Python in bytes. 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 142nd addmai 771 118 30 Jul 2025 152nd RYNO8 765 119 10ms 18 Feb 2022 152nd eshilo-draper 765 119 12ms 10 Oct 2022 152nd georgehulme 765 119 12ms 12 Oct 2022 152nd Omega65536 🇩🇪 765 119 13ms 24 Nov 2022 152nd Ripick 765 119 11ms 2 Feb 2023 152nd Ythaenagor 765 119 11ms 5 Aug 2024 152nd PyryL 🇫🇮 765 119 15ms 20 Aug 2024 152nd JunkIce 765 119 11ms 25 Nov 2024 152nd Stockoh 🇫🇷 765 119 13 Feb 2025 152nd Alban-Boissard 765 119 14 Jun 2025 152nd Flekay 🇩🇪 765 119 10 Jul 2025 163rd fkantelberg 758 120 11ms 18 Jul 2023 163rd Bmrl7 758 120 11ms 29 Feb 2024 163rd elgan65536 758 120 18ms 1 Apr 2024 163rd mossiegoat 758 120 25 Jul 2025 167th Natanaelel 🇸🇪 752 121 11ms 12 Jan 2022 167th NerdyMcNerd42 752 121 10ms 20 Aug 2022 167th Kloppermand 🇩🇰 752 121 11ms 3 Oct 2022 167th ehulinsky 🇺🇸 752 121 18ms 15 May 2023 167th AbhilashaTandon 752 121 10ms 21 Sep 2023 167th davecame 752 121 11ms 2 Oct 2023 167th gussy420 752 121 11ms 23 Oct 2023 167th tobyLovick 752 121 14ms 13 Dec 2023 175th jm600 746 122 10ms 19 Apr 2022 175th krcs 🇵🇱 746 122 11ms 29 Apr 2022 175th bbakersmith 746 122 12ms 6 Jun 2022 175th nstearns96 🇬🇧 746 122 12ms 29 Nov 2022 175th stertooy 🇧🇪 746 122 14ms 11 Jun 2024 175th croc54 746 122 8 Jan 2025 175th Lv0Sys 🇵🇱 746 122 30 May 2025 182nd gitbedd 🇬🇧 740 123 11ms 10 Jan 2022 182nd andre-lameirinhas 🇵🇹 740 123 11ms 8 Aug 2022 182nd MaxElf999 740 123 11ms 13 Sep 2022 182nd Mikey-Beep 🇬🇧 740 123 11ms 24 Aug 2023 182nd bac0id 740 123 18ms 22 Sep 2023 182nd HumanoidCPU 740 123 2 Mar 2025 188th Ailko 🇧🇪 734 124 11ms 6 May 2022 188th qwjhvbxi 734 124 16ms 10 Feb 2024 188th leon-w 734 124 13ms 24 Jul 2024 188th jbjd 734 124 12 Sep 2024 188th smilesformiles3 734 124 14 Jun 2025 193rd BenBanerjeeRichards 728 125 11ms 22 Apr 2022 193rd richard-oelze 🇩🇪 728 125 8 May 2022 193rd vishwathg 728 125 17ms 16 Sep 2022 193rd Thonoton 728 125 18ms 24 Feb 2023 193rd sandorstormen 728 125 17ms 11 Mar 2023 193rd MiranDaniel 🇨🇿 728 125 18ms 28 Apr 2023 193rd Masttest 728 125 18ms 15 Feb 2024 193rd VictorStenvers 🇳🇱 728 125 26 Jun 2024 193rd Terobero 728 125 3 Sep 2024 193rd LostSyntax21 🇬🇧 728 125 9 Sep 2024 193rd jamesthekee 728 125 22 Jan 2025 204th TobyBoyne 🇬🇧 722 126 10ms 28 Jan 2022 204th OllieBoyne 🇬🇧 722 126 12ms 2 Mar 2022 204th Anonymousellama21 722 126 10ms 14 Apr 2022 204th Trunksistor 🇫🇷 722 126 10ms 19 Apr 2022 204th docd 722 126 17ms 8 Aug 2022 204th LogicalJoe 722 126 18ms 4 May 2023 204th pde-bakk 🇳🇱 722 126 11ms 23 Oct 2023 204th mstang107 722 126 11ms 20 Dec 2023 204th DGipe 722 126 15ms 13 May 2024 204th retrohun 722 126 11ms 18 Oct 2024 204th yokasuretsu 722 126 23 Jan 2025 204th bknower 722 126 26 Jun 2025 216th jacklynnepenick 717 127 11ms 15 Feb 2022 216th Pena86 717 127 20ms 14 Sep 2022 216th pascscha 717 127 10ms 18 Sep 2022 216th DrPiranoid 717 127 10ms 8 Oct 2022 216th QuincyNash 🇺🇸 717 127 14ms 13 Nov 2022 216th epic-programmer-guy 717 127 12ms 21 Dec 2023 216th AdamMorris377 717 127 11ms 29 Jul 2024 216th 40fied4t 717 127 15 May 2025 216th Matter1024 🇮🇳 717 127 2 Jul 2025 216th Luke44565 717 127 10 Aug 2025 First Prev 151–225 of 356 Next Last