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 SB-945 800 85 7 Feb 2024 523rd aaardwark 800 85 1 Jun 2025 523rd blaztoma 🇱🇹 800 85 36 hours ago 529th MichaelMBradley 🇨🇦 791 86 5 Jun 2022 529th Lemonz-13223 791 86 21 Sep 2022 529th Bodo171 791 86 24 Nov 2022 529th shibacho 🇯🇵 791 86 25 Nov 2022 529th Vaekor 791 86 9 Jul 2023 529th LeoVanderSteege 791 86 18 Nov 2023 529th Pale-Vessel 791 86 18 Dec 2023 529th tik25 791 86 28 Mar 2024 529th willschremmer 791 86 27 Apr 2024 529th jamiloBBKing 791 86 27 Jan 2025 529th AsishKunta 791 86 1 Apr 2025 529th Hemanthred2005 791 86 1 Apr 2025 529th Voltrifrodec 🇸🇰 791 86 19 Apr 2025 529th lurey99 791 86 23 Apr 2025 529th Alban-Boissard 791 86 14 Jun 2025 544th ToE42 782 87 19 Oct 2022 544th omri2001 782 87 19 Oct 2022 544th Skallos-s 782 87 5 Dec 2022 544th damoc1es 782 87 16 Apr 2023 544th michelebastione 🇮🇹 782 87 20 Dec 2023 544th clampcorder 782 87 24 Jan 2024 544th GitQuick 782 87 23 Feb 2024 544th EricSchraf 782 87 21 Mar 2024 544th salvatore-abello 782 87 5 Sep 2024 544th PotatoSaladOverlord 782 87 21 May 2025 544th Ibozz91 782 87 8 Jun 2025 555th Andre3582 773 88 29 Oct 2022 555th Darknova2468 773 88 20 Nov 2022 555th Solsticely 773 88 20 Nov 2022 555th goGuru 773 88 21 Dec 2022 555th msbranicky 773 88 9 Aug 2023 555th gussy420 773 88 28 Oct 2023 555th Shynif 773 88 21 Feb 2024 555th somehybrid 773 88 24 Aug 2024 555th hippopotam00sehead 🇨🇦 773 88 11 Sep 2024 555th 08jne01 773 88 21 Nov 2024 565th lovernj 764 89 23 Aug 2022 565th Roj 764 89 20 Nov 2022 565th aeonsablaze 764 89 22 Nov 2022 565th buddyw 764 89 9 Mar 2023 565th VV1Git 764 89 28 Mar 2023 565th dranjohn 764 89 17 Sep 2023 565th ArenaGrenade 764 89 19 Feb 2024 565th NanduBC 764 89 6 Sep 2024 565th TheAtrossian 764 89 5 Jan 2025 565th KimJua41 764 89 4 May 2025 565th Upload-and-View 🇺🇦 764 89 3 days ago 576th StoverGitHub 756 90 16 Jun 2022 576th jamespeilunli 756 90 4 Jul 2022 576th TrentGlimp 756 90 3 Sep 2022 576th Ugoran 756 90 19 Nov 2022 576th PATTRIM 756 90 5 Jan 2023 576th charliegaming 756 90 3 Oct 2023 576th lhulinsky 756 90 22 Oct 2024 576th bthalheim 756 90 6 Dec 2024 576th nooby31415 756 90 18 Apr 2025 576th SinArieh 756 90 4 May 2025 576th islptng 756 90 7 Jul 2025 587th AbelPelser 747 91 3 Jul 2022 587th Seis 747 91 9 Dec 2022 587th r-i-c-e 747 91 9 Jul 2023 587th joshcors 747 91 30 Jun 2024 587th resoNathan 747 91 9 Jul 2024 587th jameswmccarty 747 91 24 Sep 2024 587th hamilton-bonds 747 91 12 Nov 2024 587th Wonamm 747 91 14 Feb 2025 595th TimLeffke 739 92 17 Aug 2022 595th Rythoka 739 92 17 Oct 2022 595th UriyaBA 739 92 19 Mar 2023 595th VladislavGitter 🇪🇸 739 92 14 Nov 2023 595th ridingqwerty 🇺🇸 739 92 22 Dec 2023 595th Thonoton 739 92 1 Feb 2024 Prev 526–600 of 769 Next