The Calendar hole will go live in approximately 8 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 881st dlevear 705 589 9ms 20 May 2021 881st PrinceSalatyell 705 589 9ms 22 Jun 2022 881st Matter1024 🇮🇳 705 589 9ms 24 Aug 2025 884th maxliuql 703 590 9ms 11 Jul 2025 885th joel-e-m-mitchell 702 591 9ms 10 Jun 2018 885th Nektar24 702 591 10ms 2 Jun 2023 885th Nightmarius 702 591 15ms 22 Jan 2024 888th bnuh 701 592 10ms 3 Dec 2022 888th omero-san 701 592 9ms 15 Sep 2025 890th plainoldcheese 🇦🇶 699 594 10ms 16 Apr 2020 891st lewisdean98 697 595 29ms 4 Dec 2022 891st atrus159 697 595 9ms 24 Oct 2023 893rd ktnguyen2 695 597 11ms 4 Jan 2020 893rd halp1 695 597 9ms 7 Apr 2022 895th jjbvtk 694 598 9ms 31 Aug 2021 895th lethan3 694 598 9ms 1 Dec 2022 897th Modeba 693 599 10ms 5 Nov 2025 898th clodalala 692 600 10ms 1 Nov 2019 899th dylanjones92 685 606 9ms 19 Jan 2024 900th zuparnowa 684 607 10ms 28 Jan 2019 900th henrytranter 684 607 10ms 20 Sep 2019 902nd Piccora 683 608 9ms 3 Oct 2022 902nd Baxi-codes 683 608 9ms 4 Jan 2023 904th FJSFerreira 681 609 11ms 22 May 2021 905th besasam 680 610 12ms 31 Mar 2021 905th OddAlgorithm 680 610 10ms 4 Dec 2022 907th surbainczyk 679 611 11ms 22 Jul 2022 908th lakshmanaprasanth 675 615 9ms 10 Jun 2021 909th mhenion8293 🇺🇸 674 616 10ms 11 Jan 2022 909th kelseychristensen 674 616 10ms 3 Nov 2022 909th jrappeneker 674 616 10ms 24 Apr 2025 912th warrinerbros 672 618 10ms 3 Dec 2021 913th valgardg 🇮🇸 669 620 16ms 17 Aug 2021 914th delphonso 668 621 10ms 17 Dec 2021 914th Knight333 668 621 10ms 26 Dec 2023 916th MadasMatt4 666 623 9ms 29 Jan 2020 916th anarcie 666 623 9ms 12 Dec 2023 918th kbiggers 665 624 10ms 8 Dec 2020 919th etriddle88 660 629 9ms 7 Mar 2024 920th jackdonofrio 659 630 10ms 10 Apr 2020 921st foskaos 657 632 9ms 30 Oct 2023 921st Matthewhine8 657 632 10ms 25 Aug 2025 923rd RobinStevenMartinez 656 633 9ms 8 Feb 2021 923rd Rex-xeR 656 633 10ms 4 Jan 2025 925th Eugen-str 653 636 10ms 24 Oct 2023 926th zt14427 649 639 10ms 4 Mar 2023 927th EdwardGriffin 643 645 10ms 4 Sep 2025 928th StHagel 641 647 10ms 7 May 2021 928th jahongOf1 641 647 9ms 28 Feb 2022 930th Upload-and-View 🇺🇦 639 649 10ms 23 Jul 2025 931st kevinmchung 637 652 9ms 18 Sep 2018 932nd noramxiao 635 654 9ms 24 Sep 2025 933rd Amheus 634 655 9ms 7 Oct 2023 934th jbrry 633 656 10ms 26 May 2022 934th jade-housecat 633 656 10ms 9 Oct 2022 936th edre 632 657 9ms 18 May 2018 937th Quinntyx 631 658 12ms 10 Dec 2021 938th nharmon 629 660 11ms 20 Jun 2023 939th zwxzwxzwx21 628 661 10ms 22 Dec 2023 940th maxkhoward 623 666 9ms 29 Mar 2021 940th peterprescott 623 666 9ms 18 Nov 2021 940th cdreisbach 623 666 9ms 10 Aug 2024 940th Ralac07 🇦🇺 623 666 10ms 4 Sep 2024 944th Edgex42 617 673 9ms 26 May 2019 944th cao20 617 673 9ms 27 Jul 2021 946th skps2010 615 675 10ms 2 Jan 2019 946th slurpcat 615 675 11ms 25 Dec 2022 946th noanabeshima 615 675 9ms 8 Jul 2025 949th PradCoder 614 676 10ms 6 Apr 2024 950th atimes3 611 679 10ms 6 Jul 2025 951st jbreak123berlingo 610 680 9ms 31 Oct 2019 951st ColinMcC76 610 680 9ms 16 Oct 2023 953rd jb567 609 681 9ms 13 Apr 2025 954th larineoy 609 682 9ms 28 Jan 2025 955th jmorton89 608 683 9ms 10 Aug 2020 956th GanschowJosh 605 686 10ms 6 Oct 2023 957th jimenez20 604 687 9ms 18 Nov 2019 957th 4ndyJ 🇬🇧 604 687 15ms 14 Jan 2023 957th NotNoper 604 687 9ms 24 Oct 2024 960th azierariel 603 688 9ms 16 Dec 2020 First Prev 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