The Tower of Hanoi hole will go live in approximately 30 hours. Why not try and solve it ahead of time?
Happy Numbers in Python in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 601st ChristophJud 437 142 9ms 11 Aug 2020 601st ESOrSomething 437 142 10ms 29 Sep 2025 603rd RoscoeSmith 434 143 11ms 14 Sep 2022 604th SimonPeatman 431 144 19ms 2 Feb 2019 604th pde-bakk 🇳🇱 431 144 11ms 23 Oct 2023 606th CRHillman 428 145 17ms 17 Aug 2018 606th ethandhunt 428 145 10ms 29 Jul 2021 608th KiwiKoder0123 425 146 17ms 24 Jun 2019 608th KatieLG-Transpiler 🇬🇧 425 146 11ms 23 Jun 2022 608th twocatsinatrenchcoat 425 146 11ms 18 Nov 2022 608th fraserli 🇦🇺 425 146 22ms 17 Feb 2023 608th zt14427 425 146 9ms 4 Mar 2023 608th Schmitt-Very-Cool 425 146 10ms 3 Apr 2024 614th potato-jackson 422 147 17ms 10 Sep 2021 614th Florian-Mt 422 147 23ms 26 Sep 2023 616th Mojken 419 148 19ms 2 Sep 2018 617th snickercop 416 149 11ms 6 Aug 2019 617th cingulataluke 416 149 10ms 28 Aug 2023 619th ionutm82 413 150 13ms 22 Feb 2019 620th dahrens 411 151 11ms 7 Jul 2019 621st fepe55 408 152 11ms 21 Sep 2018 622nd ari-gutierrez 400 155 32ms 22 Oct 2018 623rd Spi3lot 395 157 10ms 18 Sep 2021 623rd MarioPlq 395 157 11ms 24 Jun 2022 623rd OppositeShark 395 157 11ms 19 Jul 2022 626th ridingqwerty 🇺🇸 392 158 11ms 6 Dec 2023 626th j3mak 392 158 13ms 16 Jan 2024 628th qewdweftr4g 390 159 10ms 16 Oct 2024 629th rajlath 388 160 10ms 9 Apr 2018 630th peculiarination 383 162 16ms 11 May 2021 630th Ugoran 383 162 11ms 1 Dec 2022 632nd Ty-Cyr 380 163 10ms 13 Jul 2023 633rd tbadun 378 164 15ms 8 Oct 2022 633rd Natz12 378 164 11ms 27 Jan 2023 635th Pimveha 376 165 17ms 11 Jan 2023 636th EB-Brown 373 166 11ms 23 Aug 2019 637th tombs4 369 168 13ms 8 Jun 2020 638th YoungjuneKwon 365 170 11ms 6 Dec 2018 639th hotmanga 363 171 10ms 7 Nov 2023 639th xbxbxb007 363 171 10ms 10 Jan 2024 641st janga1 360 172 22ms 12 Aug 2021 641st GitQuick 360 172 12ms 9 Mar 2024 643rd chriscconte 358 173 10ms 16 Apr 2019 643rd jjbvtk 358 173 14ms 3 Sep 2021 645th skps2010 344 180 9ms 4 Jan 2019 645th devRND-ess 344 180 15ms 30 Apr 2020 645th GlennHA 344 180 10ms 15 May 2021 645th theunofficialcoder 344 180 13ms 12 Jan 2024 649th willzywiec 343 181 11ms 5 Aug 2018 649th Unknownuserfrommars 343 181 14ms 20 Nov 2024 651st zuparnowa 341 182 17ms 23 Jan 2019 651st henrytranter 341 182 18ms 20 Sep 2019 653rd dylanjones92 337 184 11ms 17 Jan 2024 654th shinylego 335 185 11ms 19 Oct 2022 655th Aniketgautam 330 188 10ms 6 Apr 2018 655th schmisev 330 188 10ms 11 Oct 2018 655th alfonsoalves 330 188 10ms 27 Feb 2024 658th Bananapants22 328 189 12ms 16 Aug 2022 659th jmmographer 326 190 17ms 20 Oct 2023 660th AbuzarN 323 192 11ms 4 Oct 2023 661st rohan335 316 196 10ms 24 Jul 2024 662nd newc0m 305 203 18ms 7 Dec 2018 663rd Upload-and-View 🇺🇦 304 204 10ms 9 Aug 2025 664th ariesmarinus 298 208 12ms 3 Dec 2024 665th itljan30 287 216 10ms 6 Oct 2024 666th janedoloris 283 219 9ms 14 Feb 2021 666th RobinStevenMartinez 283 219 10ms 27 Aug 2021 666th atazzam 🇺🇸 283 219 11ms 2 Apr 2022 669th eje24 278 223 20ms 22 Jul 2020 670th BLD933 🇲🇦 273 227 11ms 2 Sep 2023 671st kevinnaviapaiva 272 228 10ms 13 Feb 2025 672nd DylanGodfrey 267 232 11ms 5 Jun 2018 673rd clodalala 265 234 12ms 13 Nov 2019 674th dens558 262 237 11ms 25 May 2019 675th fl3ur1nestimable 258 240 18ms 3 Apr 2022 First Prev 601–675 of 699 Next Last