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 366th kellantech 883 77 21 May 2023 366th Ty-Cyr 883 77 14 Jul 2023 366th camieac 🇬🇧 883 77 14 Jul 2023 366th nathsou 🇫🇷 883 77 2 Sep 2023 366th MisterrLuck 883 77 7 Sep 2023 366th alexjurkiewicz 🇦🇺 883 77 7 Nov 2023 366th askipio 883 77 22 Nov 2023 366th trinityy-7 883 77 17 Dec 2023 366th zwxzwxzwx21 883 77 30 Jan 2024 366th PyryL 🇫🇮 883 77 23 Aug 2024 366th CyberTapir 883 77 27 Aug 2024 366th Emutis 🇱🇹 883 77 9 Oct 2024 366th junten1 883 77 20 Oct 2024 366th croc54 883 77 24 Dec 2024 366th za3k 883 77 3 Jun 2025 366th 1024An 883 77 29 Jun 2025 366th YAJUE114514 883 77 27 days ago 393rd AGoyet 872 78 29 Jul 2022 393rd RYNO8 872 78 16 Aug 2022 393rd TheCod-r 🇦🇶 872 78 28 Sep 2022 393rd Marthe-CC 872 78 9 Oct 2022 393rd Wildst 872 78 2 Nov 2022 393rd nmgetahun 872 78 4 Dec 2022 393rd Techdude01 872 78 13 Dec 2022 393rd tvcv901 872 78 22 Mar 2023 393rd oceko 872 78 24 Mar 2023 393rd yoyoyonono 872 78 15 May 2023 393rd Nic0M 872 78 13 Aug 2023 393rd ssbhatt4321 872 78 14 Oct 2023 393rd wyarde 872 78 7 Nov 2023 393rd EthanJ-Brady 872 78 24 Dec 2023 393rd adamreidsmith 872 78 16 Feb 2024 393rd Jacob385 872 78 5 Mar 2024 393rd DGipe 872 78 13 May 2024 393rd cyxv 872 78 2 Aug 2024 393rd gallium-gonzollium 872 78 26 Aug 2024 393rd Europe2048 872 78 24 Nov 2024 393rd GeneralFabian 872 78 14 Dec 2024 414th kevdah 861 79 27 May 2022 414th jacklynnepenick 861 79 22 Jun 2022 414th james-downey 861 79 9 Jul 2022 414th andre-lameirinhas 🇵🇹 861 79 26 Jul 2022 414th hamsterskywalker 861 79 7 Sep 2022 414th Pena86 861 79 14 Sep 2022 414th hymanimy 861 79 24 Nov 2022 414th Demonarchet 861 79 18 Apr 2023 414th dtaylor0 861 79 23 May 2023 414th bac0id 861 79 26 Sep 2023 414th neonchickens 861 79 6 Oct 2023 414th MWI-polygolf 861 79 6 Dec 2023 414th eddvrs 861 79 22 Dec 2023 414th tknight00 861 79 7 Mar 2024 414th thienudomsrirungruang 861 79 3 May 2024 414th IsaacAlexBarden 861 79 6 Feb 2025 414th taesungh 861 79 7 Jun 2025 414th mossiegoat 861 79 16 days ago 414th benvreeves 861 79 3 days ago 433rd j-Ewan 850 80 13 May 2022 433rd osmith93 850 80 14 Jun 2022 433rd hjcafaroUC 850 80 21 Jun 2022 433rd dankleeman 850 80 8 Aug 2022 433rd dillon-duncando 850 80 4 Oct 2022 433rd DrPiranoid 850 80 11 Nov 2022 433rd mdnestor 850 80 23 Dec 2022 433rd Edjyzod 850 80 7 Mar 2023 433rd henry-von-wichert 850 80 31 Mar 2023 433rd Hortaros 850 80 16 Apr 2023 433rd ankeetparikh 850 80 5 May 2023 433rd Neonader 850 80 9 May 2023 433rd nickgza 850 80 17 Aug 2023 433rd MiranDaniel 🇨🇿 850 80 30 Aug 2023 433rd Fanrco 850 80 31 Aug 2023 433rd nyoshe 850 80 10 Oct 2023 433rd AzroyAr 850 80 28 Dec 2023 433rd Alex-Huggett 🇬🇧 850 80 13 Apr 2024 Prev 376–450 of 754 Next