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 371st zstephe 883 77 2 Dec 2022 371st badboj40 883 77 27 Dec 2022 371st henrytranter 883 77 11 Jan 2023 371st DragonaireM 883 77 6 Feb 2023 371st steffan-polygolf 883 77 19 Feb 2023 371st kellantech 883 77 21 May 2023 371st Ty-Cyr 883 77 14 Jul 2023 371st camieac 🇬🇧 883 77 14 Jul 2023 371st nathsou 🇫🇷 883 77 2 Sep 2023 371st MisterrLuck 883 77 7 Sep 2023 371st alexjurkiewicz 🇦🇺 883 77 7 Nov 2023 371st askipio 883 77 22 Nov 2023 371st trinityy-7 883 77 17 Dec 2023 371st zwxzwxzwx21 883 77 30 Jan 2024 371st PyryL 🇫🇮 883 77 23 Aug 2024 371st CyberTapir 883 77 27 Aug 2024 371st Emutis 🇱🇹 883 77 9 Oct 2024 371st junten1 883 77 20 Oct 2024 371st croc54 883 77 24 Dec 2024 371st za3k 883 77 3 Jun 2025 371st 1024An 🇮🇳 883 77 29 Jun 2025 371st YAJUE114514 883 77 1 Jul 2025 398th AGoyet 872 78 29 Jul 2022 398th RYNO8 872 78 16 Aug 2022 398th TheCod-r 🇦🇶 872 78 28 Sep 2022 398th Marthe-CC 872 78 9 Oct 2022 398th Wildst 872 78 2 Nov 2022 398th nmgetahun 872 78 4 Dec 2022 398th Techdude01 872 78 13 Dec 2022 398th tvcv901 872 78 22 Mar 2023 398th oceko 872 78 24 Mar 2023 398th yoyoyonono 872 78 15 May 2023 398th Nic0M 872 78 13 Aug 2023 398th ssbhatt4321 872 78 14 Oct 2023 398th wyarde 872 78 7 Nov 2023 398th EthanJ-Brady 872 78 24 Dec 2023 398th adamreidsmith 872 78 16 Feb 2024 398th Jacob385 872 78 5 Mar 2024 398th DGipe 872 78 13 May 2024 398th cyxv 872 78 2 Aug 2024 398th gallium-gonzollium 872 78 26 Aug 2024 398th Europe2048 872 78 24 Nov 2024 398th GeneralFabian 872 78 14 Dec 2024 419th kevdah 861 79 27 May 2022 419th jacklynnepenick 861 79 22 Jun 2022 419th james-downey 861 79 9 Jul 2022 419th andre-lameirinhas 🇵🇹 861 79 26 Jul 2022 419th hamsterskywalker 861 79 7 Sep 2022 419th Pena86 861 79 14 Sep 2022 419th hymanimy 861 79 24 Nov 2022 419th Demonarchet 861 79 18 Apr 2023 419th dtaylor0 861 79 23 May 2023 419th bac0id 861 79 26 Sep 2023 419th neonchickens 861 79 6 Oct 2023 419th MWI-polygolf 861 79 6 Dec 2023 419th eddvrs 861 79 22 Dec 2023 419th tknight00 861 79 7 Mar 2024 419th thienudomsrirungruang 861 79 3 May 2024 419th IsaacAlexBarden 861 79 6 Feb 2025 419th taesungh 861 79 7 Jun 2025 419th mossiegoat 861 79 12 Jul 2025 419th benvreeves 861 79 19 days ago 438th j-Ewan 850 80 13 May 2022 438th osmith93 850 80 14 Jun 2022 438th hjcafaroUC 850 80 21 Jun 2022 438th dankleeman 850 80 8 Aug 2022 438th dillon-duncando 850 80 4 Oct 2022 438th DrPiranoid 850 80 11 Nov 2022 438th mdnestor 850 80 23 Dec 2022 438th Edjyzod 850 80 7 Mar 2023 438th henry-von-wichert 850 80 31 Mar 2023 438th Hortaros 850 80 16 Apr 2023 438th ankeetparikh 850 80 5 May 2023 438th Neonader 850 80 9 May 2023 438th nickgza 850 80 17 Aug 2023 Prev 376–450 of 763 Next