The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
12 Days of Christmas 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 397th hippopotam00sehead 🇨🇦 847 490 9ms 16 Sep 2024 397th jbjd 847 490 9ms 17 Sep 2024 397th lelbal 847 490 9ms 19 Sep 2024 397th DraigRygbi 847 490 10ms 19 Dec 2024 397th argentite 847 490 9ms 11 Sep 2025 406th mikelane 845 491 9ms 29 Mar 2020 406th Jaydosu 845 491 10ms 22 Oct 2021 406th vishwathg 845 491 10ms 19 Aug 2022 406th grieve 845 491 10ms 9 Jun 2023 406th davidtiemstra 845 491 10ms 11 Jul 2023 406th Itnug 845 491 9ms 19 Jul 2023 406th Glinte 845 491 10ms 29 Dec 2023 406th fkantelberg 845 491 11ms 15 Jul 2025 406th cthierfelder 🇲🇨 845 491 9ms 5 Sep 2025 415th GreenyNeko 843 492 9ms 24 Jul 2020 415th ydevor 🇮🇱 843 492 9ms 20 Nov 2020 415th michael-alperovich 843 492 9ms 1 Feb 2021 415th richard-oelze 🇩🇪 843 492 10ms 28 Nov 2021 415th MichaelMBradley 🇨🇦 843 492 9ms 5 Apr 2022 415th P-Quentin 🇫🇷 843 492 10ms 3 Aug 2022 415th DragonaireM 843 492 9ms 4 Feb 2023 415th ocean0821 843 492 9ms 7 May 2025 423rd bthalheim 842 493 10ms 1 Aug 2022 423rd TeddyWoodburn 842 493 29ms 6 Oct 2024 423rd rothos 842 493 10ms 31 Dec 2024 423rd M4rc0g1 842 493 10ms 16 Nov 2025 427th schachmattmatt 840 494 9ms 11 Aug 2021 427th specbug 840 494 9ms 30 Nov 2022 427th zsimo-lab49 840 494 9ms 15 May 2023 430th evanrittner 838 495 9ms 26 Feb 2021 430th Re-Adventures 🇮🇳 838 495 9ms 29 Mar 2021 430th kaptsanovb 838 495 9ms 4 Apr 2022 430th kenny14231 838 495 10ms 5 Aug 2022 430th OrangeBacon 838 495 9ms 31 Jul 2024 430th Unknownuserfrommars 838 495 9ms 7 Oct 2024 436th YoungjuneKwon 837 496 9ms 20 Nov 2020 436th asheeri 837 496 10ms 15 Aug 2021 436th ZakkkkAttackkkk 🇵🇭 837 496 28ms 25 Dec 2021 436th try-except-try-accept 🇹🇭 837 496 11ms 9 Jul 2022 436th ramsay 837 496 9ms 8 Aug 2022 436th jeaosh 837 496 9ms 22 Oct 2022 436th Starwort 🇬🇧 837 496 10ms 4 Dec 2022 436th fenix-bear 837 496 9ms 3 Jul 2023 436th htareque 837 496 29ms 18 Oct 2023 436th khavik 837 496 11ms 11 May 2024 436th yashima 837 496 10ms 4 Nov 2024 436th bogosorter 837 496 10ms 9 Jul 2025 436th celiendonze 🇨🇭 837 496 10ms 10 days ago 449th btjones0 835 497 9ms 26 Dec 2020 449th vezzick 835 497 10ms 7 Mar 2021 449th kaylacomer 835 497 10ms 24 Oct 2021 449th MCausc78 🇺🇦 835 497 9ms 5 Jan 2023 449th ZoeyKD 835 497 9ms 14 May 2023 449th xoxo-ily 835 497 10ms 12 Dec 2023 449th aloobun 835 497 9ms 2 Dec 2024 456th SimonPeatman 833 498 9ms 29 Dec 2018 456th Arkaedan 833 498 10ms 27 Jul 2020 456th cesarm4 833 498 9ms 30 Aug 2021 456th GeneralTwi 833 498 10ms 4 May 2022 456th n0es 833 498 10ms 6 Oct 2022 456th saoudi-h 833 498 10ms 12 Jan 2023 456th adamnielson42 🇺🇸 833 498 10ms 30 May 2023 456th ArchFin 833 498 9ms 21 Nov 2024 456th GeneralFabian 833 498 28ms 14 Dec 2024 456th energee 833 498 9ms 19 Dec 2024 456th Europe2048 833 498 11ms 17 Sep 2025 456th muratovm 833 498 9ms 18 days ago 468th orifu 832 499 9ms 22 Feb 2021 468th Bombergames 832 499 10ms 21 Jan 2022 468th deerfarce 832 499 9ms 23 Dec 2022 468th bob-th 832 499 12ms 29 Dec 2022 468th DonCharlesLambert 832 499 9ms 15 Feb 2024 468th hiichbindermax 832 499 9ms 3 Sep 2024 468th jasonxue1 832 499 10ms 26 Jul 2025 468th yukii1004 832 499 10ms 25 Sep 2025 468th yujqiao 832 499 9ms 12 days ago 468th Matter1024 🇮🇳 832 499 10ms 3 days ago 478th Psirving 830 500 9ms 20 Jul 2020 478th stephenuniverse 830 500 9ms 23 Aug 2021 478th Giridesh 830 500 10ms 3 Apr 2022 First Prev 401–480 of 1,133 Next Last
