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 672nd sheeperino 🇮🇹 642 106 11 Oct 2024 677th phpboyscout 636 107 18 May 2023 677th DrPrettyman 636 107 5 Jul 2023 677th joseph-w0ng 636 107 5 Jul 2024 677th EnisEfe0 636 107 18 May 2025 681st landyrisbad 630 108 13 Nov 2022 681st cakular 630 108 17 May 2024 681st glassala 630 108 25 Oct 2024 684th tjefferson401 624 109 16 Sep 2022 684th ariesmarinus 624 109 21 Nov 2024 686th profJGermain 618 110 7 Feb 2024 686th JMMMMC 618 110 23 Oct 2024 686th jtb0362 618 110 10 May 2025 686th davidludwik2370 618 110 23 days ago 690th sagnik3 607 112 8 Aug 2022 690th craftablescience 607 112 19 Sep 2023 692nd kelseychristensen 602 113 2 Nov 2022 692nd ArmsTheLimited 602 113 1 Jun 2023 694th HunterC14 596 114 18 Oct 2024 695th jstechman 591 115 24 Feb 2024 695th dan422442 591 115 19 Oct 2024 697th keelanfh 586 116 20 Dec 2023 697th returnitynet 586 116 27 Jan 2025 699th gioto64 581 117 8 Dec 2022 699th WilfredSalmon 581 117 21 Oct 2023 701st XianchengZ 576 118 18 Aug 2023 701st brindak2005 576 118 2 May 2025 703rd jmmographer 557 122 21 Oct 2023 703rd RucatJ 557 122 13 days ago 705th xbxbxb007 553 123 10 Jan 2024 706th kevinnaviapaiva 527 129 20 Feb 2025 707th AdrianN001 523 130 6 Aug 2023 708th wyatt-the-hump 519 131 24 Dec 2022 708th hotmanga 519 131 20 Oct 2023 708th Jordynar02 519 131 3 May 2025 711th Zach10za 511 133 23 Jan 2024 712th vtilde 507 134 8 Jan 2024 713th fig-apple 504 135 24 Jun 2023 714th S-Ruban 496 137 25 Feb 2023 715th FLOKI0421 489 139 4 May 2025 715th noahdorsch 489 139 5 May 2025 717th bartsowka2000 456 149 10 Jul 2023 718th sa1640 442 154 28 Apr 2025 719th arinhyther 439 155 24 Dec 2022 720th SebbeCaliban 433 157 11 Apr 2023 721st codefeld 393 173 5 Mar 2023 722nd fl3ur1nestimable 382 178 24 Oct 2022 723rd Siyasia 360 189 22 Apr 2025 724th kalehika1234 352 193 24 Apr 2025 725th hannahherbig 351 194 30 Mar 2023 726th dahappy1989 332 205 5 Nov 2023 727th sahilshresthaa 330 206 4 May 2025 728th jalbertgordon 329 207 24 Oct 2023 729th AidanWalter 325 209 3 Jan 2025 730th sayloren 313 217 5 Mar 2023 730th AshayP123 313 217 1 May 2025 732nd rubenguajardount 302 225 4 May 2025 733rd amritm55 298 228 1 Apr 2025 734th clarkatunt19 297 229 3 May 2025 735th jac1107 296 230 4 May 2025 735th rcs0252 296 230 4 May 2025 737th apurbapokharel 291 234 3 Apr 2025 738th wlopez44 281 242 29 Apr 2025 738th sakshiPatel2602 281 242 3 May 2025 740th Zok030 280 243 1 Apr 2025 740th Josemnz 280 243 28 Apr 2025 742nd tophy6 276 246 1 Apr 2025 742nd LyndaS317 276 246 14 Apr 2025 744th letdank 275 247 1 Apr 2025 744th AdamGonzo1254 275 247 3 May 2025 746th shawncrabtree 270 252 5 Jul 2025 747th punkroczombie 268 254 4 May 2025 748th Abulsamad 239 285 5 May 2025 749th aidnrox 224 303 2 May 2025 750th OffSecVik 224 304 25 Feb 2023 Prev 676–750 of 766 Next