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 Topological Sort 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 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 Knight 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 Knight 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 Topological Sort 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 523rd shibacho 🇯🇵 791 86 25 Nov 2022 523rd Vaekor 791 86 9 Jul 2023 523rd LeoVanderSteege 791 86 18 Nov 2023 523rd Pale-Vessel 791 86 18 Dec 2023 523rd tik25 791 86 28 Mar 2024 523rd willschremmer 791 86 27 Apr 2024 523rd jamiloBBKing 791 86 27 Jan 2025 523rd AsishKunta 791 86 1 Apr 2025 523rd Hemanthred2005 791 86 1 Apr 2025 523rd Voltrifrodec 🇸🇰 791 86 19 Apr 2025 523rd lurey99 791 86 23 Apr 2025 523rd Alban-Boissard 791 86 14 Jun 2025 538th ToE42 782 87 19 Oct 2022 538th omri2001 782 87 19 Oct 2022 538th Skallos-s 782 87 5 Dec 2022 538th damoc1es 782 87 16 Apr 2023 538th michelebastione 🇮🇹 782 87 20 Dec 2023 538th clampcorder 782 87 24 Jan 2024 538th GitQuick 782 87 23 Feb 2024 538th EricSchraf 782 87 21 Mar 2024 538th salvatore-abello 782 87 5 Sep 2024 538th PotatoSaladOverlord 782 87 21 May 2025 538th Ibozz91 782 87 8 Jun 2025 549th Andre3582 773 88 29 Oct 2022 549th Darknova2468 773 88 20 Nov 2022 549th Solsticely 773 88 20 Nov 2022 549th goGuru 773 88 21 Dec 2022 549th msbranicky 773 88 9 Aug 2023 549th gussy420 773 88 28 Oct 2023 549th Shynif 773 88 21 Feb 2024 549th somehybrid 773 88 24 Aug 2024 549th hippopotam00sehead 🇨🇦 773 88 11 Sep 2024 549th 08jne01 773 88 21 Nov 2024 559th lovernj 764 89 23 Aug 2022 559th Roj 764 89 20 Nov 2022 559th aeonsablaze 764 89 22 Nov 2022 559th buddyw 764 89 9 Mar 2023 559th VV1Git 764 89 28 Mar 2023 559th dranjohn 764 89 17 Sep 2023 559th ArenaGrenade 764 89 19 Feb 2024 559th NanduBC 764 89 6 Sep 2024 559th TheAtrossian 764 89 5 Jan 2025 559th KimJua41 764 89 4 May 2025 569th StoverGitHub 756 90 16 Jun 2022 569th jamespeilunli 756 90 4 Jul 2022 569th TrentGlimp 756 90 3 Sep 2022 569th Ugoran 756 90 19 Nov 2022 569th PATTRIM 756 90 5 Jan 2023 569th charliegaming 756 90 3 Oct 2023 569th lhulinsky 756 90 22 Oct 2024 569th bthalheim 756 90 6 Dec 2024 569th nooby31415 756 90 18 Apr 2025 569th SinArieh 756 90 4 May 2025 569th islptng 756 90 7 Jul 2025 580th AbelPelser 747 91 3 Jul 2022 580th Seis 747 91 9 Dec 2022 580th r-i-c-e 747 91 9 Jul 2023 580th joshcors 747 91 30 Jun 2024 580th resoNathan 747 91 9 Jul 2024 580th jameswmccarty 747 91 24 Sep 2024 580th hamilton-bonds 747 91 12 Nov 2024 580th Wonamm 747 91 14 Feb 2025 588th TimLeffke 739 92 17 Aug 2022 588th Rythoka 739 92 17 Oct 2022 588th UriyaBA 739 92 19 Mar 2023 588th VladislavGitter 🇪🇸 739 92 14 Nov 2023 588th ridingqwerty 🇺🇸 739 92 22 Dec 2023 588th Thonoton 739 92 1 Feb 2024 588th OCNeve 739 92 17 Jun 2024 588th themoonisacheese 739 92 25 Feb 2025 588th BabySharkHi 739 92 22 Apr 2025 597th Bananapants22 731 93 4 Sep 2022 597th jaxmattfair 🇺🇸 731 93 10 Jan 2023 597th cingulataluke 731 93 27 Aug 2023 597th fenix-bear 731 93 18 Nov 2023 Prev 526–600 of 763 Next