The Calendar hole will go live in approximately 11 days. Why not try and solve it ahead of time?
Lucky Numbers in Python in chars. 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 Tower of Hanoi 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers 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 Tower of Hanoi 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 159th jacekwladzinski 578 90 11ms 5 Oct 2025 162nd commandblockguy 🇺🇸 571 91 102ms 21 Sep 2022 162nd MaxElf999 571 91 3,023ms 28 Sep 2022 162nd fkantelberg 571 91 54ms 7 Aug 2023 162nd sultan 571 91 29ms 5 Mar 2024 166th Ailko 🇧🇪 565 92 10ms 6 May 2022 166th ComputerKWasTaken 🇺🇸 565 92 11ms 23 Oct 2024 168th TobyBoyne 🇬🇧 559 93 3,068ms 3 Mar 2022 168th P-Quentin 🇫🇷 559 93 23ms 10 Aug 2022 168th jtaxen 559 93 98ms 26 Mar 2024 168th jameswmccarty 559 93 11ms 10 Jul 2024 168th codingisgreatbutiamnot 559 93 630ms 6 Aug 2025 173rd adamnielson42 🇺🇸 553 94 59ms 21 Aug 2023 173rd brochmann 🇸🇪 553 94 11ms 28 Oct 2023 173rd 40fied4t 553 94 35ms 1 Jun 2025 176th m42km 547 95 48ms 16 Dec 2023 176th Natanaelel 🇸🇪 547 95 29ms 15 Jul 2025 178th j-Ewan 542 96 98ms 4 Mar 2022 178th nullie 542 96 79ms 9 Jun 2022 178th andrewjc2000 542 96 27ms 28 Jul 2025 181st Bmrl7 536 97 111ms 29 Mar 2024 181st IsaacAlexBarden 536 97 26ms 13 Feb 2025 183rd sleepyStick 531 98 9ms 11 Mar 2022 183rd damoose717 531 98 11ms 24 May 2025 185th Andrey135296 525 99 192ms 29 Nov 2024 186th Fishron 520 100 105ms 18 Jun 2022 186th vishwathg 520 100 106ms 5 Oct 2023 186th 4ndyJ 🇬🇧 520 100 205ms 23 Dec 2023 186th chartung17 520 100 115ms 1 Jan 2024 190th celiendonze 🇨🇭 515 101 110ms 18 Jul 2023 190th namelessiw 515 101 115ms 13 Jul 2024 190th moustave 515 101 225ms 3 Dec 2024 190th Andre3582 515 101 13ms 8 Oct 2025 194th inverseLorentz 🇦🇺 510 102 12ms 5 May 2023 194th WillowWispy 510 102 30ms 17 Mar 2025 194th mousetail 🇳🇱 510 102 270ms 26 Sep 2025 194th madeforlosers 510 102 10ms 11 Nov 2025 198th Bonjour27891 🇻🇳 505 103 40ms 4 Mar 2022 198th AlexanderFair 505 103 742ms 25 Jul 2023 200th eiburns 500 104 33ms 25 Aug 2023 201st twocatsinatrenchcoat 495 105 36ms 29 Mar 2022 201st xyangst 495 105 39ms 18 Oct 2024 201st vhoulbreque 🇫🇷 495 105 11ms 11 Feb 2025 204th Marthe-CC 491 106 638ms 16 Oct 2022 204th CatsAreFluffy 491 106 96ms 10 Jan 2023 204th tobyLovick 491 106 27ms 13 Feb 2025 207th adoxography 486 107 28ms 1 Sep 2025 208th Pena86 481 108 12ms 16 Sep 2022 208th PyryL 🇫🇮 481 108 12ms 25 Aug 2024 210th CedricGebistorf 477 109 113ms 10 Mar 2022 210th galloj 🇨🇿 477 109 301ms 28 Aug 2022 210th TheZwierzLF 🇵🇱 477 109 2,929ms 21 May 2025 213th trist224 🇫🇷 473 110 896ms 1 Sep 2022 214th SniperSmiley 🇺🇸 468 111 186ms 16 Jun 2022 215th amollberg 🇸🇪 464 112 105ms 25 Mar 2022 216th badboj40 460 113 90ms 27 Dec 2022 217th crazymoose7 456 114 96ms 5 Jun 2024 218th mathisfun271 452 115 59ms 24 Dec 2023 218th qwjhvbxi 452 115 90ms 8 Feb 2024 220th estomagordo 🇳🇱 441 118 51ms 26 Oct 2022 220th andre-lameirinhas 🇵🇹 441 118 27ms 26 Apr 2023 220th davidludwik2370 441 118 12ms 29 Jul 2025 223rd Unknownuserfrommars 437 119 434ms 21 Nov 2024 223rd clayboll99 437 119 13ms 15 Jul 2025 223rd Zhenyu-Bo 437 119 1,615ms 31 Jul 2025 226th Techdude01 433 120 15ms 21 Dec 2023 226th aalec 433 120 104ms 24 Apr 2024 228th NickTheEASDude 🇺🇸 426 122 12ms 9 Apr 2024 229th dillon-duncando 423 123 58ms 3 Oct 2022 230th Bananapants22 419 124 2,998ms 17 Aug 2022 230th Florian-Mt 419 124 28ms 29 Sep 2023 232nd Mr-McChicken 416 125 116ms 17 Oct 2023 233rd dtbao20 🇻🇳 409 127 12ms 1 Oct 2024 234th brimstonetrader 397 131 39ms 21 Jan 2024 235th JesseNoEyes 🇺🇸 374 139 34ms 28 Oct 2024 236th Stockoh 🇫🇷 371 140 95ms 26 Apr 2024 236th Emutis 🇱🇹 371 140 121ms 30 Jul 2025 238th atazzam 🇺🇸 361 144 13ms 10 Sep 2022 239th Dataen 359 145 26ms 31 Jan 2024 240th iczelia 🇩🇪 329 158 11ms 17 Oct 2025 First Prev 161–240 of 248 Next Last