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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 435th AzroyAr 850 80 28 Dec 2023 435th Alex-Huggett 🇬🇧 850 80 13 Apr 2024 435th RobertHoeh 850 80 27 May 2024 435th LorenzoDeGaspari 850 80 27 May 2024 435th AstroOrbis 850 80 7 May 2025 435th vgamula 🇺🇦 850 80 14 days ago 457th abba23 840 81 26 May 2022 457th docd 840 81 8 Aug 2022 457th Smetalo 840 81 25 Aug 2022 457th glesnick 840 81 6 Sep 2022 457th Yareeeema 840 81 3 Nov 2022 457th RandGuy 840 81 23 Nov 2022 457th GWStuart 840 81 19 Dec 2022 457th wa1ker38552 840 81 22 May 2023 457th LimaoC 840 81 11 Aug 2023 457th robertovers 840 81 2 Oct 2023 457th HanaEndUser 840 81 15 Feb 2024 457th Loag 840 81 22 Sep 2024 457th julian-hoelz 840 81 23 Sep 2024 457th JesseNoEyes 🇺🇸 840 81 4 Oct 2024 457th GoldStar184 840 81 27 Nov 2024 457th ihatethefrench 840 81 5 Jan 2025 473rd Ailko 🇧🇪 829 82 12 May 2022 473rd joshmoody24 829 82 12 May 2022 473rd andrewgopher 829 82 25 Jun 2022 473rd estomagordo 🇳🇱 829 82 26 Oct 2022 473rd ThatAlo 829 82 14 Nov 2022 473rd twocatsinatrenchcoat 829 82 29 Nov 2022 473rd aid-f 829 82 21 Mar 2023 473rd henrydukepickle 829 82 8 Dec 2023 473rd amollberg 🇸🇪 829 82 3 Jan 2024 473rd mrmena 🇦🇺 829 82 19 Mar 2024 473rd rifatx 829 82 16 Jul 2024 473rd NicoH76 829 82 24 Apr 2025 473rd 0dyse 829 82 29 Apr 2025 473rd 48panda 829 82 6 May 2025 473rd some-function 829 82 2 Jul 2025 488th bonevbs 819 83 8 May 2022 488th feherd 819 83 20 May 2022 488th pbleich 819 83 24 Aug 2022 488th RoscoeSmith 819 83 20 Nov 2022 488th amadeusdotpng 819 83 22 Apr 2023 488th ross-i 819 83 5 Jul 2023 488th anonymaew 819 83 2 Aug 2023 488th mstang107 819 83 20 Dec 2023 488th LHLaurini 🇧🇷 819 83 26 Jun 2024 488th C0derX3 🇺🇸 819 83 18 Sep 2024 488th ComputerKWasTaken 🇺🇸 819 83 20 Jan 2025 488th Vexxter9 🇳🇱 819 83 4 Feb 2025 488th CodyKlingler 819 83 7 Feb 2025 488th OyuDays 819 83 17 Mar 2025 488th julianreece 819 83 29 Apr 2025 503rd Feniske 🇫🇷 810 84 7 Oct 2022 503rd Eilonlif 🇮🇱 810 84 29 Mar 2023 503rd mhsaul 810 84 11 Apr 2023 503rd Phyisis 810 84 30 Apr 2024 503rd MaxCastella 🇫🇷 810 84 11 Oct 2024 503rd SURAJMITTAL 810 84 17 Dec 2024 503rd simplylu 810 84 5 Jan 2025 503rd WillowWispy 810 84 14 Mar 2025 503rd rustykitty 810 84 2 May 2025 503rd VedJosh 810 84 3 May 2025 503rd hetz2625 810 84 4 May 2025 503rd csharpython 810 84 12 days ago 515th aazuspan 800 85 15 Jun 2022 515th myleopard 800 85 20 Jul 2022 515th LukasFolwarczny 🇨🇿 800 85 16 Sep 2022 515th SB-945 800 85 7 Feb 2024 515th aaardwark 800 85 1 Jun 2025 520th MichaelMBradley 🇨🇦 791 86 5 Jun 2022 520th Lemonz-13223 791 86 21 Sep 2022 520th Bodo171 791 86 24 Nov 2022 520th shibacho 🇯🇵 791 86 25 Nov 2022 520th 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