The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Morse Encoder 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 PatrickStephansen 🇿🇦 645 217 16ms 23 Aug 2023 82nd Indivicivet 642 218 17ms 19 Oct 2021 83rd hoodadam 636 220 10ms 12 Jun 2019 84th ArmaanAS 625 224 10ms 26 Mar 2021 85th adamnielson42 🇺🇸 619 226 10ms 21 Aug 2023 86th andrewjc2000 617 227 10ms 18 Jul 2025 87th Eilonlif 🇮🇱 609 230 9ms 4 Nov 2022 87th frankgraziano 609 230 16ms 5 Apr 2025 89th amollberg 🇸🇪 606 231 17ms 16 Jan 2022 90th zuparnowa 598 234 10ms 8 Feb 2019 90th mathisfun271 598 234 9ms 18 Dec 2023 90th yuchuehw 598 234 9ms 4 Jan 2024 90th Flekay 🇩🇪 598 234 12ms 11 Jul 2025 94th argusdusty 🇺🇸 596 235 16ms 11 Jan 2021 94th moustave 596 235 10ms 28 Mar 2025 96th Mabeloid 🇳🇴 593 236 9ms 21 Sep 2024 97th Phanabani 🇺🇸 574 244 10ms 22 Oct 2020 98th skps2010 569 246 16ms 29 Dec 2018 99th kevinmchung 567 247 17ms 24 Feb 2018 99th b10011 🇫🇮 567 247 9ms 30 Dec 2022 99th froggy2001 567 247 16ms 16 Feb 2023 102nd bastienvoirin 🇫🇷 565 248 10ms 30 Nov 2020 103rd StefanHabel 🇨🇦 562 249 16ms 17 Sep 2023 104th mhsaul 560 250 11ms 10 Apr 2023 104th ceeb9 560 250 12ms 14 Jun 2024 106th Lwi-Sandwich 551 254 10ms 20 Jul 2023 107th Babafaba 545 257 17ms 11 Nov 2025 108th thisishowmymindworks 🇳🇴 532 263 10ms 12 Oct 2020 109th yzhs 🇩🇪 530 264 10ms 23 Jun 2023 110th ImpressedByRocks 528 265 14ms 19 Sep 2022 111th InigoK 🇺🇸 519 270 10ms 15 Jun 2023 111th msbranicky 519 270 17ms 5 Jul 2023 111th fgrosshans 🇫🇷 519 270 11ms 9 Jul 2024 114th EnviloN 🇨🇿 517 271 9ms 20 Oct 2024 115th nullie 500 280 10ms 9 Jun 2022 116th yokasuretsu 498 281 10ms 19 Apr 2018 117th petar-donchev 496 282 10ms 7 Sep 2019 117th geofft 496 282 10ms 14 Dec 2020 119th jakobkordez 🇸🇮 493 284 10ms 31 Oct 2022 120th neihousaigaai 488 287 10ms 27 Dec 2021 120th eshilo-draper 488 287 9ms 21 Sep 2022 120th Ythaenagor 488 287 10ms 5 Aug 2024 123rd Bonjour27891 🇻🇳 478 293 11ms 10 Apr 2022 124th randolchance 476 294 12ms 20 Jun 2025 125th edre 475 295 10ms 30 Apr 2018 126th guilhem-roy 🇫🇷 470 298 10ms 3 Mar 2022 127th relet 468 299 14ms 9 Aug 2018 127th leon-w 468 299 16ms 5 Jan 2019 129th evanrittner 467 300 12ms 26 Feb 2021 130th martinnorling 🇸🇪 461 304 9ms 22 Feb 2022 131st mbittner20 459 305 10ms 21 Jan 2024 132nd kypi 458 306 10ms 20 Feb 2020 133rd alangodfrey 456 307 16ms 31 Jan 2019 133rd ianpoe 456 307 12ms 20 Apr 2020 135th robin-scragg 453 309 9ms 18 Oct 2025 136th lhulinsky 452 310 9ms 22 Oct 2024 137th zdzc 450 311 16ms 30 Mar 2018 138th logvp 447 313 16ms 31 Jan 2024 139th mizuzimu 446 314 10ms 12 Apr 2020 139th gXLg 🇩🇪 446 314 10ms 19 Sep 2023 139th andre-lameirinhas 🇵🇹 446 314 10ms 30 Nov 2023 142nd try-except-try-accept 🇹🇭 443 316 9ms 28 Jun 2022 143rd decorator-factory 442 317 9ms 21 May 2019 143rd osmith93 442 317 16ms 1 Aug 2021 143rd cykim8811 442 317 15ms 10 Jul 2024 143rd Pyroan 442 317 10ms 22 Feb 2025 147th Haksell 🇦🇶 436 321 17ms 1 Dec 2019 147th Florian-Mt 436 321 10ms 13 Nov 2023 149th ejmejm 435 322 9ms 2 Dec 2021 149th inverseLorentz 🇦🇺 435 322 12ms 21 Jun 2022 151st garrisonhh 433 323 16ms 19 Nov 2020 152nd TobyBoyne 🇬🇧 427 328 9ms 15 Apr 2022 153rd Emutis 🇱🇹 426 329 10ms 12 Aug 2025 154th dahrens 424 330 9ms 13 May 2021 154th PaulMWeiser 424 330 12ms 3 Mar 2023 156th knutae 🇳🇴 423 331 16ms 20 Jul 2019 156th mrmena 🇦🇺 423 331 18ms 11 Jun 2021 158th Edjyzod 422 332 10ms 31 Mar 2023 159th qwjhvbxi 420 333 10ms 12 Feb 2024 160th TaserTheFox 🇺🇸 418 335 13ms 5 Apr 2023 First Prev 81–160 of 282 Next Last