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 Hilbert Curve 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 Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Hilbert Curve 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 Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st Lydxn 🇨🇦 1,000 68 445ms 5 May 2022 1st GrayJoKing 🇦🇺 1,000 68 18ms 15 Nov 2022 1st Bubbler-4 1,000 68 14ms 15 Nov 2022 1st JayXon 🇺🇸 1,000 68 16ms 7 Mar 2023 1st Rubiksmath 1,000 68 14ms 14 Aug 2023 1st khvdm 1,000 68 14ms 5 Sep 2024 7th nwellnhof 🇩🇪 986 69 25ms 4 May 2022 7th m-tkach 🇺🇦 986 69 18ms 4 May 2022 7th GolfingSuccess 🇬🇷 986 69 18ms 5 May 2022 7th jared-hughes 986 69 25ms 5 May 2022 7th ovs-code 🇩🇪 986 69 480ms 5 May 2022 7th btnlq 986 69 25ms 5 May 2022 7th sisyphus-ppcg 🇦🇺 986 69 20ms 6 May 2022 7th lynn 986 69 23ms 22 Aug 2022 7th Steffan153 🇫🇮 986 69 20ms 15 Nov 2022 7th AlexanderFair 986 69 29ms 19 Jul 2023 7th pardouin 🇫🇷 986 69 24ms 11 Nov 2023 7th AlephSquirrel 986 69 25ms 30 Dec 2023 7th kg583 🇺🇸 986 69 27ms 28 Jan 2024 7th davecame 986 69 25ms 20 Aug 2024 7th zacjl 986 69 20ms 19 Sep 2024 7th starfihs 986 69 18ms 12 Oct 2024 7th kops-cg 986 69 24ms 9 Feb 2025 7th sean-niemann 🇺🇸 986 69 22ms 7 Mar 2025 7th plcc0 986 69 18ms 26 Mar 2025 7th yujh-yujh 🇬🇸 986 69 17ms 28 Mar 2025 7th moustave 986 69 20ms 10 Jun 2025 7th 4atj 986 69 3,790ms 30 Jun 2025 7th dirckvdende 986 69 16ms 11 Jul 2025 7th xnor-gate 986 69 16ms 19 Aug 2025 7th BrunoVisnadi 🇧🇷 986 69 18ms 21 days ago 32nd MichalMarsalek 🇨🇿 971 70 19ms 5 May 2022 32nd primo-ppcg 🇹🇭 971 70 26ms 5 May 2022 32nd SirBogman 🇺🇸 971 70 21ms 5 May 2022 32nd prplz 🇦🇺 971 70 17ms 5 May 2022 32nd Irratix 🇳🇱 971 70 20ms 7 May 2022 32nd rak1507 🇬🇧 971 70 22ms 7 May 2022 32nd inventshah 971 70 19ms 9 May 2022 32nd k3w1k0d3r 971 70 19ms 22 Jun 2022 32nd ZakkkkAttackkkk 🇵🇭 971 70 17ms 14 Jul 2022 32nd Bonjour27891 🇻🇳 971 70 20ms 14 Jul 2022 32nd OllieBoyne 🇬🇧 971 70 19ms 19 Jul 2022 32nd bricknellj 971 70 22ms 25 Jul 2022 32nd wen1now 971 70 20ms 8 Aug 2022 32nd 051 🇸🇬 971 70 20ms 8 Aug 2022 32nd Sp3000 🇦🇺 971 70 20ms 8 Aug 2022 32nd betaveros 971 70 21ms 9 Aug 2022 32nd shelerr 971 70 21ms 9 Sep 2022 32nd stewSquared 🇺🇸 971 70 21ms 27 Sep 2022 32nd orthoplex 🇨🇽 971 70 23ms 9 Oct 2022 32nd 5quiwyrm 971 70 19ms 19 Oct 2022 32nd myfatemi04 971 70 20ms 4 Nov 2022 32nd kevinmchung 971 70 20ms 4 Nov 2022 32nd FlorianCassayre 🇫🇷 971 70 25ms 7 Nov 2022 32nd fourth-bit 971 70 18ms 29 Nov 2022 32nd QuincyNash 🇺🇸 971 70 18ms 29 Nov 2022 32nd aksyristos 971 70 20ms 25 Dec 2022 32nd thizanne 971 70 19ms 27 Dec 2022 32nd Alex-x90 🇺🇸 971 70 20ms 20 Jan 2023 32nd bob-th 971 70 20ms 24 Jan 2023 32nd SirFireball3521 971 70 17ms 25 Jan 2023 32nd stefangimmillaro 971 70 23ms 6 Feb 2023 32nd Seek64 🇩🇪 971 70 18ms 7 Feb 2023 32nd FieryIceStickie 971 70 28ms 3 Apr 2023 32nd MeWhenI 🇻🇦 971 70 23ms 30 Apr 2023 32nd fgrosshans 🇫🇷 971 70 21ms 5 May 2023 32nd Shanethegamer 🇺🇸 971 70 22ms 25 May 2023 32nd InigoK 🇺🇸 971 70 20ms 14 Jun 2023 32nd quimey 971 70 16ms 15 Jun 2023 32nd CornerMercury 🇬🇧 971 70 20ms 19 Jun 2023 32nd ndren 971 70 20ms 2 Aug 2023 32nd bizy-coder 971 70 20ms 14 Aug 2023 32nd janbehrens 🇩🇪 971 70 33ms 24 Nov 2023 32nd namelessiw 971 70 20ms 9 Jan 2024 32nd mathisfun271 971 70 25ms 13 Feb 2024 1–75 of 791 Next Last
