The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 8 days. Why not try and solve them ahead of time?
Fizz Buzz in Python in bytes. 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 696th jfallon1997 951 61 9ms 6 Sep 2022 696th TobyBoyne 🇬🇧 951 61 9ms 19 Sep 2022 696th pyuraii 951 61 10ms 24 Sep 2022 696th ValentinCassayre 951 61 10ms 8 Oct 2022 696th Marthe-CC 951 61 9ms 9 Oct 2022 696th PogLop 🇨🇿 951 61 12ms 14 Oct 2022 696th fredrik-bakke 🇳🇴 951 61 12ms 3 Nov 2022 696th NovemberOrWhatever 951 61 9ms 4 Nov 2022 696th KevinLaux 951 61 12ms 6 Nov 2022 696th Omega65536 🇩🇪 951 61 10ms 22 Nov 2022 696th Andriamanitra 🇫🇮 951 61 10ms 30 Nov 2022 696th jacksonhenry3 951 61 9ms 2 Dec 2022 696th ShaneReid91 951 61 10ms 10 Dec 2022 696th Techdude01 951 61 10ms 17 Dec 2022 696th Starwort 🇬🇧 951 61 10ms 19 Dec 2022 696th M0PKOBKA 951 61 9ms 19 Dec 2022 696th randolchance 951 61 10ms 21 Dec 2022 696th dtaylor0 951 61 11ms 24 Dec 2022 696th b10011 🇫🇮 951 61 9ms 6 Jan 2023 696th jeff-at-tamer-dot-codes 🇺🇸 951 61 10ms 12 Mar 2023 696th mnbvczx 🇰🇷 951 61 12ms 12 Mar 2023 696th SirFireball3521 951 61 9ms 14 Mar 2023 696th oceko 951 61 12ms 24 Mar 2023 696th hairez 951 61 12ms 29 Mar 2023 696th Erik-M-Larsson 951 61 10ms 4 Apr 2023 696th nouka1729 951 61 10ms 5 Apr 2023 696th irishgreencitrus 951 61 11ms 1 Jun 2023 696th tweska 🇳🇱 951 61 10ms 4 Jun 2023 696th ritwinnarra 951 61 10ms 11 Jun 2023 696th PikeIt 951 61 10ms 14 Jun 2023 696th xnacly 🇩🇪 951 61 12ms 27 Jun 2023 696th cooper-roper 951 61 12ms 27 Jun 2023 696th lin-kevin 951 61 11ms 1 Jul 2023 696th LocNgu 951 61 10ms 6 Jul 2023 696th SB-945 951 61 9ms 10 Jul 2023 696th n0Oo0Oo0b 951 61 9ms 10 Aug 2023 696th cingulataluke 951 61 9ms 26 Aug 2023 696th sandthemann 951 61 10ms 21 Sep 2023 696th htareque 951 61 12ms 6 Oct 2023 696th ChausseBenjamin 🇨🇦 951 61 11ms 17 Oct 2023 696th pde-bakk 🇳🇱 951 61 9ms 21 Oct 2023 696th Azearia 951 61 9ms 28 Oct 2023 696th bzijlema 🇳🇱 951 61 9ms 1 Nov 2023 696th wen1now 951 61 10ms 6 Nov 2023 696th NickTheEASDude 🇺🇸 951 61 9ms 15 Nov 2023 696th Widgitty 951 61 10ms 4 Dec 2023 696th anarconic 951 61 12ms 5 Dec 2023 696th namelessiw 951 61 10ms 6 Dec 2023 696th GeneralPoxter 951 61 12ms 7 Dec 2023 696th Chimplement 951 61 10ms 12 Dec 2023 696th arjunaggarwal03 951 61 13ms 19 Dec 2023 696th OwPowell 951 61 9ms 23 Dec 2023 696th AlexDaniel 🇪🇪 951 61 11ms 26 Dec 2023 696th nikosoikou 951 61 11ms 29 Dec 2023 696th epic-programmer-guy 951 61 11ms 31 Dec 2023 696th mar-moraes 951 61 12ms 9 Feb 2024 696th TiagoCosta04 🇵🇹 951 61 10ms 29 Feb 2024 696th commandz0 🇺🇸 951 61 9ms 6 Apr 2024 696th Powerroff 951 61 10ms 5 May 2024 696th OCNeve 951 61 10ms 18 Jun 2024 696th drochom 951 61 9ms 20 Jun 2024 696th tnecio 951 61 9ms 20 Jun 2024 696th martion2007 951 61 9ms 14 Aug 2024 696th gallium-gonzollium 951 61 9ms 24 Aug 2024 696th MassimoParisi 951 61 12ms 20 Sep 2024 696th apineapple 951 61 9ms 7 Oct 2024 696th DrJoWe 951 61 9ms 24 Oct 2024 696th taize1909 951 61 9ms 24 Oct 2024 696th Oracynx 951 61 10ms 26 Nov 2024 696th WCScrypto-official 951 61 10ms 21 Dec 2024 696th samuel-thesing 🇩🇪 951 61 10ms 19 Feb 2025 696th LvLError 951 61 11ms 26 May 2025 696th LuisGoncalves05 🇵🇹 951 61 11ms 9 Jul 2025 696th xiaoyiming123 951 61 9ms 7 Aug 2025 696th Emutis 🇱🇹 951 61 9ms 26 Aug 2025 696th jacekwladzinski 951 61 12ms 2 Oct 2025 696th TJK-S 951 61 10ms 29 Oct 2025 696th themoonisacheese 951 61 10ms 23 Jan 2026 696th RZ781 951 61 10ms 28 Jan 2026 696th SectorCorruptor 951 61 10ms 3 Feb 2026 First Prev 801–880 of 3,147 Next Last