Collatz 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 435th taesungh 861 79 7 Jun 2025 435th benvreeves 861 79 25 Jul 2025 435th saturzay 861 79 19 Aug 2025 454th j-Ewan 850 80 13 May 2022 454th osmith93 850 80 14 Jun 2022 454th hjcafaroUC 850 80 21 Jun 2022 454th dankleeman 850 80 8 Aug 2022 454th dillon-duncando 850 80 4 Oct 2022 454th DrPiranoid 850 80 11 Nov 2022 454th mdnestor 850 80 23 Dec 2022 454th Edjyzod 850 80 7 Mar 2023 454th henry-von-wichert 850 80 31 Mar 2023 454th Hortaros 850 80 16 Apr 2023 454th ankeetparikh 850 80 5 May 2023 454th Neonader 850 80 9 May 2023 454th nickgza 850 80 17 Aug 2023 454th MiranDaniel 🇨🇿 850 80 30 Aug 2023 454th Fanrco 850 80 31 Aug 2023 454th nyoshe 850 80 10 Oct 2023 454th AzroyAr 850 80 28 Dec 2023 454th Alex-Huggett 🇬🇧 850 80 13 Apr 2024 454th RobertHoeh 850 80 27 May 2024 454th LorenzoDeGaspari 850 80 27 May 2024 454th AstroOrbis 850 80 7 May 2025 454th vgamula 🇺🇦 850 80 16 Jul 2025 454th imoxyg 850 80 29 Aug 2025 477th abba23 840 81 26 May 2022 477th docd 840 81 8 Aug 2022 477th Smetalo 840 81 25 Aug 2022 477th glesnick 840 81 6 Sep 2022 477th Yareeeema 840 81 3 Nov 2022 477th RandGuy 840 81 23 Nov 2022 477th GWStuart 840 81 19 Dec 2022 477th wa1ker38552 840 81 22 May 2023 477th LimaoC 840 81 11 Aug 2023 477th robertovers 840 81 2 Oct 2023 477th HanaEndUser 840 81 15 Feb 2024 477th Loag 840 81 22 Sep 2024 477th julian-hoelz 840 81 23 Sep 2024 477th JesseNoEyes 🇺🇸 840 81 4 Oct 2024 477th GoldStar184 840 81 27 Nov 2024 477th ihatethefrench 840 81 5 Jan 2025 477th csharpython 840 81 2 Aug 2025 494th Ailko 🇧🇪 829 82 12 May 2022 494th joshmoody24 829 82 12 May 2022 494th andrewgopher 829 82 25 Jun 2022 494th estomagordo 🇳🇱 829 82 26 Oct 2022 494th ThatAlo 829 82 14 Nov 2022 494th twocatsinatrenchcoat 829 82 29 Nov 2022 494th aid-f 829 82 21 Mar 2023 494th henrydukepickle 829 82 8 Dec 2023 494th amollberg 🇸🇪 829 82 3 Jan 2024 494th mrmena 🇦🇺 829 82 19 Mar 2024 494th rifatx 829 82 16 Jul 2024 494th NicoH76 829 82 24 Apr 2025 494th 0dyse 829 82 29 Apr 2025 494th georgekattenbelt 829 82 6 May 2025 494th some-function 829 82 2 Jul 2025 509th bonevbs 819 83 8 May 2022 509th feherd 819 83 20 May 2022 509th pbleich 819 83 24 Aug 2022 509th RoscoeSmith 819 83 20 Nov 2022 509th amadeusdotpng 819 83 22 Apr 2023 509th ross-i 819 83 5 Jul 2023 509th anonymaew 819 83 2 Aug 2023 509th mstang107 819 83 20 Dec 2023 509th LHLaurini 🇧🇷 819 83 26 Jun 2024 509th C0derX3 🇺🇸 819 83 18 Sep 2024 509th ComputerKWasTaken 🇺🇸 819 83 20 Jan 2025 509th Vexxter9 🇳🇱 819 83 4 Feb 2025 509th CodyKlingler 819 83 7 Feb 2025 509th OyuDays 819 83 17 Mar 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