The Tower of Hanoi hole will go live in approximately 28 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 449th dymowski 549 113 19ms 24 Jul 2019 449th weberax 549 113 12ms 30 Nov 2019 449th AIn0n 549 113 16ms 15 Jul 2021 449th super-tux 549 113 69ms 9 Aug 2021 449th olavaga 549 113 11ms 13 Aug 2021 449th nkoppel 549 113 11ms 20 Oct 2022 449th Skwerl23 549 113 18ms 3 Feb 2023 449th Mikey-Beep 🇬🇧 549 113 11ms 24 Aug 2023 449th Gopalkataria 🇮🇳 549 113 529ms 6 Mar 2025 460th kenny14231 544 114 13ms 6 Aug 2022 460th aalec 544 114 108ms 24 Apr 2024 460th ApoChagi 544 114 17ms 25 Oct 2025 463rd michelebastione 🇮🇹 539 115 11ms 19 Nov 2019 463rd artieleach 539 115 18ms 12 Dec 2020 463rd ktanaka 539 115 13ms 11 Jan 2024 463rd clayboll99 539 115 10ms 11 Jul 2025 463rd arjunarya1 539 115 11ms 28 Aug 2025 468th sambirnbaum1 534 116 11ms 7 Sep 2019 468th markus-rekdal 534 116 18ms 23 May 2022 468th rowboat1 534 116 11ms 21 Jun 2022 468th AGoyet 534 116 40ms 29 Jun 2022 472nd tomh1012 530 117 10ms 30 Oct 2020 472nd madeforlosers 530 117 17ms 22 days ago 474th caerbannogwhite 525 118 16ms 13 Apr 2018 474th danwley 525 118 10ms 2 Apr 2019 474th siegelzero 525 118 15ms 24 Jan 2020 474th mothcolada 🇺🇸 525 118 10ms 4 Dec 2020 474th lukehatcher 🇺🇸 525 118 19ms 30 Aug 2021 474th P-Quentin 🇫🇷 525 118 29ms 10 Aug 2022 474th midnattssol 🇸🇪 525 118 11ms 27 Jul 2023 474th JesseNoEyes 🇺🇸 525 118 10ms 25 Sep 2024 482nd dddthedark 521 119 10ms 11 Jan 2018 482nd raywinray 521 119 10ms 27 Sep 2018 482nd alangodfrey 521 119 14ms 11 Jun 2019 482nd ElevatorShaft 521 119 12ms 18 Jun 2019 482nd iso4096 521 119 13ms 8 Mar 2020 482nd Andre3582 521 119 10ms 25 Oct 2020 482nd enbyte 521 119 10ms 27 May 2021 482nd Hannah-Varekamp 521 119 13ms 17 Jun 2021 482nd StarmaQ 521 119 10ms 12 Jan 2022 482nd Trunksistor 🇫🇷 521 119 18ms 19 Apr 2022 482nd Puperger 521 119 10ms 19 Jun 2022 482nd jhpaques 🇫🇷 521 119 10ms 29 Jul 2022 482nd kevdah 521 119 13ms 2 Aug 2022 482nd bwenstar 521 119 9ms 9 Aug 2022 482nd mdnestor 521 119 9ms 28 Dec 2022 482nd mbittner20 521 119 11ms 27 May 2023 482nd HumanoidCPU 521 119 9ms 3 May 2024 482nd therealnumbers 521 119 11ms 4 Jun 2024 482nd RedzGoose 🇦🇺 521 119 9ms 25 Oct 2024 482nd mishak-sys 521 119 9ms 31 Mar 2025 482nd damoose717 521 119 10ms 23 May 2025 482nd WillowWispy 521 119 17ms 25 May 2025 482nd SectorCorruptor 521 119 9ms 25 Jul 2025 482nd luuumine 🇫🇷 521 119 9ms 8 Oct 2025 506th jaredcrystal 🇺🇸 517 120 24ms 17 Mar 2018 506th BenBanerjeeRichards 517 120 9ms 20 Jan 2022 508th johnnythedoggie 512 121 34ms 26 Apr 2021 508th bac0id 512 121 10ms 27 Sep 2023 508th brimstonetrader 512 121 10ms 22 Jan 2024 511th babulibaba 508 122 10ms 30 Aug 2019 511th AreYouW 508 122 9ms 6 Dec 2019 511th Hawkeye99 508 122 10ms 6 Dec 2019 511th ADV1K 🇮🇳 508 122 10ms 18 Feb 2020 511th garrisonhh 508 122 18ms 21 Nov 2020 511th Command-Crafter 508 122 13ms 8 Nov 2021 511th lovernj 508 122 14ms 7 Feb 2022 511th Demonarchet 508 122 9ms 2 May 2023 511th Deedogg 508 122 17ms 5 Sep 2024 511th 0dyse 508 122 10ms 29 Apr 2025 511th osNiko 🇧🇷 508 122 9ms 23 Jul 2025 522nd lukasmoellerch 504 123 18ms 14 Jan 2019 522nd Kreavita 504 123 12ms 14 Jan 2019 522nd timkaiser 504 123 12ms 19 Apr 2019 522nd bobbysq 504 123 10ms 29 Jun 2023 First Prev 451–525 of 699 Next Last
