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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly 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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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 442nd bac0id 797 79 20ms 26 Sep 2023 442nd neonchickens 797 79 25ms 6 Oct 2023 442nd MWI-polygolf 797 79 22ms 6 Dec 2023 442nd eddvrs 797 79 21ms 22 Dec 2023 442nd tknight00 797 79 26ms 7 Mar 2024 442nd thienudomsrirungruang 797 79 48ms 3 May 2024 442nd IsaacAlexBarden 797 79 22ms 6 Feb 2025 442nd taesungh 797 79 22ms 7 Jun 2025 442nd benvreeves 797 79 19ms 25 Jul 2025 442nd saturzay 797 79 24ms 19 Aug 2025 442nd TransformLikeATensor 797 79 21ms 16 Oct 2025 462nd j-Ewan 788 80 19ms 13 May 2022 462nd osmith93 788 80 38ms 14 Jun 2022 462nd hjcafaroUC 788 80 23ms 21 Jun 2022 462nd dankleeman 788 80 23ms 8 Aug 2022 462nd dillon-duncando 788 80 22ms 4 Oct 2022 462nd DrPiranoid 788 80 23ms 11 Nov 2022 462nd mdnestor 788 80 23ms 23 Dec 2022 462nd Edjyzod 788 80 17ms 7 Mar 2023 462nd henry-von-wichert 788 80 25ms 31 Mar 2023 462nd Hortaros 788 80 21ms 16 Apr 2023 462nd ankeetparikh 788 80 18ms 5 May 2023 462nd Neonader 788 80 24ms 9 May 2023 462nd nickgza 788 80 16ms 17 Aug 2023 462nd MiranDaniel 🇨🇿 788 80 26ms 30 Aug 2023 462nd Fanrco 788 80 18ms 31 Aug 2023 462nd nyoshe 788 80 21ms 10 Oct 2023 462nd AzroyAr 788 80 26ms 28 Dec 2023 462nd Alex-Huggett 🇬🇧 788 80 58ms 13 Apr 2024 462nd RobertHoeh 788 80 25ms 27 May 2024 462nd LorenzoDeGaspari 788 80 25ms 27 May 2024 462nd AstroOrbis 788 80 25ms 7 May 2025 462nd vgamula 🇺🇦 788 80 22ms 16 Jul 2025 462nd imoxyg 788 80 26ms 29 Aug 2025 462nd Tristanchaang 788 80 20ms 6 days ago 486th abba23 778 81 31ms 26 May 2022 486th docd 778 81 19ms 8 Aug 2022 486th Smetalo 778 81 28ms 25 Aug 2022 486th glesnick 778 81 22ms 6 Sep 2022 486th Yareeeema 778 81 23ms 3 Nov 2022 486th RandGuy 778 81 25ms 23 Nov 2022 486th GWStuart 778 81 26ms 19 Dec 2022 486th wa1ker38552 778 81 19ms 22 May 2023 486th LimaoC 778 81 23ms 11 Aug 2023 486th robertovers 778 81 23ms 2 Oct 2023 486th HanaEndUser 778 81 19ms 15 Feb 2024 486th Loag 778 81 19ms 22 Sep 2024 486th julian-hoelz 778 81 18ms 23 Sep 2024 486th JesseNoEyes 🇺🇸 778 81 18ms 4 Oct 2024 486th GoldStar184 778 81 23ms 27 Nov 2024 486th ihatethefrench 778 81 22ms 5 Jan 2025 486th csharpython 778 81 26ms 2 Aug 2025 503rd Ailko 🇧🇪 768 82 27ms 12 May 2022 503rd joshmoody24 768 82 27ms 12 May 2022 503rd andrewgopher 768 82 18ms 25 Jun 2022 503rd estomagordo 🇳🇱 768 82 23ms 26 Oct 2022 503rd ThatAlo 768 82 29ms 14 Nov 2022 503rd twocatsinatrenchcoat 768 82 17ms 29 Nov 2022 503rd aid-f 768 82 24ms 21 Mar 2023 503rd henrydukepickle 768 82 18ms 8 Dec 2023 503rd amollberg 🇸🇪 768 82 27ms 3 Jan 2024 503rd mrmena 🇦🇺 768 82 26ms 19 Mar 2024 503rd rifatx 768 82 22ms 16 Jul 2024 503rd NicoH76 768 82 17ms 24 Apr 2025 503rd 0dyse 768 82 25ms 29 Apr 2025 503rd georgekattenbelt 768 82 21ms 6 May 2025 503rd some-function 768 82 17ms 2 Jul 2025 503rd jacekwladzinski 768 82 24ms 7 days ago 519th bonevbs 759 83 19ms 8 May 2022 519th feherd 759 83 18ms 20 May 2022 519th pbleich 759 83 21ms 24 Aug 2022 519th RoscoeSmith 759 83 23ms 20 Nov 2022 519th amadeusdotpng 759 83 21ms 22 Apr 2023 519th ross-i 759 83 16ms 5 Jul 2023 519th anonymaew 759 83 27ms 2 Aug 2023 First Prev 451–525 of 803 Next Last