The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
Lucky 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 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 Bytes Time Submitted 80th ZakkkkAttackkkk 🇵🇭 740 73 1,139ms 31 Jul 2022 80th AlephSquirrel 740 73 11ms 28 Jan 2023 80th fourth-bit 740 73 11ms 11 Jul 2023 80th neihousaigaai 740 73 35ms 22 Oct 2024 85th minhtrancccp 730 74 11ms 11 Jan 2024 86th suwat513 720 75 10ms 20 Sep 2022 86th ahmetdemirag 🇨🇾 720 75 10ms 6 Mar 2025 86th plcc0 720 75 54ms 21 Mar 2025 86th RaBa21 🇭🇺 720 75 118ms 12 Jul 2025 90th Indivicivet 711 76 11ms 9 May 2022 90th QuincyNash 🇺🇸 711 76 11ms 2 Dec 2022 90th nstearns96 🇬🇧 711 76 31ms 9 Jan 2023 90th TaserTheFox 🇺🇸 711 76 11ms 16 Feb 2023 90th cros107 🇦🇺 711 76 11ms 19 Aug 2023 90th stertooy 🇧🇪 711 76 10ms 15 Jun 2024 90th hiichbindermax 711 76 11ms 22 Jun 2024 90th JunkIce 711 76 11ms 24 Nov 2024 90th Flekay 🇩🇪 711 76 13ms 10 Jul 2025 90th csharpython 711 76 10ms 28 Aug 2025 90th qpwoeirut 711 76 11ms 19 Sep 2025 101st Anonymousellama21 701 77 12ms 15 Jun 2022 101st jakobkordez 🇸🇮 701 77 11ms 7 Nov 2022 101st betaveros 701 77 11ms 1 Jan 2023 101st quimey 701 77 10ms 15 Mar 2023 101st elgan65536 701 77 10ms 30 Mar 2024 101st thienudomsrirungruang 701 77 30ms 7 May 2024 107th knutae 🇳🇴 692 78 14ms 9 Mar 2022 107th jhpaques 🇫🇷 692 78 11ms 29 Jul 2022 107th marcin7Cd 692 78 12ms 2 Sep 2022 107th hellwue 692 78 10ms 28 Apr 2023 107th davecame 692 78 11ms 7 Nov 2023 112th ehulinsky 🇺🇸 684 79 30ms 10 May 2023 112th SB-945 684 79 11ms 3 Jul 2023 112th dokutan 684 79 11ms 23 Feb 2025 112th robin-scragg 684 79 11ms 4 Aug 2025 112th luuumine 🇫🇷 684 79 10ms 26 Oct 2025 117th martinnorling 🇸🇪 675 80 11ms 2 Mar 2022 117th logvp 675 80 10ms 22 Nov 2024 117th kistlerf 🇨🇭 675 80 11ms 30 May 2025 120th Trunksistor 🇫🇷 667 81 13ms 20 May 2022 120th RYNO8 667 81 52ms 18 Aug 2022 120th CarsonChr 🇺🇸 667 81 11ms 24 Sep 2022 120th tuffnatty 🇩🇪 667 81 49ms 19 Jul 2023 120th ssbhatt4321 667 81 23ms 14 Oct 2023 120th CutSandstone 667 81 10ms 19 Jul 2024 120th Mikey-Beep 🇬🇧 667 81 53ms 13 Aug 2025 127th bobbysq 659 82 53ms 21 Dec 2022 127th mbittner20 659 82 11ms 27 May 2023 127th agreegious 659 82 119ms 16 Mar 2025 130th Just4FunCoder 651 83 12ms 26 Nov 2022 131st OllieBoyne 🇬🇧 643 84 85ms 25 May 2022 131st fredrik-bakke 🇳🇴 643 84 54ms 5 Oct 2022 131st KatieLG 🇬🇧 643 84 55ms 2 Feb 2024 131st Lv0Sys 🇵🇱 643 84 14ms 14 days ago 135th MichalMarsalek 🇨🇿 635 85 68ms 1 Mar 2022 135th rak1507 🇬🇧 635 85 11ms 21 May 2022 135th LeeCamp 635 85 90ms 11 Jan 2023 135th 2011-Chan-Ethan 635 85 56ms 19 Jul 2023 135th Terobero 635 85 10ms 23 Aug 2024 140th AkashTandon167 628 86 11ms 18 Mar 2022 140th Irratix 🇳🇱 628 86 98ms 23 Apr 2022 140th HumanoidCPU 628 86 55ms 27 May 2024 140th yokasuretsu 628 86 11ms 7 Jan 2025 144th msbranicky 621 87 18ms 23 Jul 2023 145th guilhem-roy 🇫🇷 614 88 91ms 1 Mar 2022 145th michelebastione 🇮🇹 614 88 83ms 2 Mar 2022 147th Troon 607 89 39ms 29 Sep 2022 147th b10011 🇫🇮 607 89 35ms 8 Jan 2023 147th AbhilashaTandon 607 89 11ms 24 Sep 2023 147th eddvrs 607 89 10ms 20 Dec 2023 151st jfallon1997 600 90 31ms 7 Sep 2022 151st xDragoxboi 600 90 12ms 30 Jun 2025 151st jacekwladzinski 600 90 11ms 5 Oct 2025 154th commandblockguy 🇺🇸 593 91 102ms 21 Sep 2022 154th MaxElf999 593 91 3,023ms 28 Sep 2022 154th fkantelberg 593 91 54ms 7 Aug 2023 154th sultan 593 91 29ms 5 Mar 2024 158th Ailko 🇧🇪 587 92 10ms 6 May 2022 158th ComputerKWasTaken 🇺🇸 587 92 11ms 23 Oct 2024 160th TobyBoyne 🇬🇧 581 93 3,068ms 3 Mar 2022 First Prev 81–160 of 248 Next Last