The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Look and Say 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 241st ydevor 🇮🇱 632 117 9ms 3 Dec 2020 241st raymur 632 117 9ms 26 Jan 2022 241st dokutan 632 117 9ms 4 Apr 2025 244th wrhm 627 118 14ms 12 Dec 2020 244th artieleach 627 118 9ms 8 Feb 2021 244th galloj 🇨🇿 627 118 10ms 17 Aug 2022 244th glesnick 627 118 12ms 18 Aug 2022 244th AstroOrbis 627 118 10ms 25 Nov 2025 249th Fishron 622 119 10ms 24 Oct 2021 249th VilBoub 622 119 10ms 17 Apr 2022 249th AlbertCoolGuy 622 119 9ms 3 Dec 2022 249th roguh 🇬🇹 622 119 10ms 9 Jan 2024 253rd ThatAlo 617 120 9ms 24 Feb 2022 253rd MichaelMBradley 🇨🇦 617 120 10ms 13 Apr 2022 253rd Alban-Boissard 617 120 10ms 14 Jun 2025 256th Pena86 612 121 9ms 19 Feb 2021 256th NanduBC 612 121 11ms 20 Mar 2021 256th lemogne 612 121 9ms 8 Aug 2021 256th tobyLovick 612 121 9ms 13 Dec 2023 260th b4dpxl 607 122 10ms 3 Nov 2021 261st ethandhunt 602 123 9ms 15 Aug 2021 261st HumanoidCPU 602 123 9ms 23 May 2024 263rd Trunksistor 🇫🇷 597 124 9ms 22 Apr 2022 263rd Eugen-str 597 124 9ms 1 Nov 2023 263rd yuchuehw 597 124 9ms 18 Jan 2024 263rd Stockoh 🇫🇷 597 124 11ms 26 Apr 2024 263rd Rubiksmath 597 124 9ms 1 Oct 2024 263rd JunkIce 597 124 12ms 3 Dec 2024 263rd calebaitken 597 124 14ms 17 Apr 2025 263rd Flekay 🇩🇪 597 124 10ms 10 Jul 2025 271st lmolteno 592 125 9ms 7 Mar 2021 271st matricronia 592 125 9ms 6 May 2021 271st clementblaudeau 592 125 11ms 5 Oct 2021 271st mathb0y512 592 125 9ms 26 Nov 2022 271st Florian-Mt 592 125 9ms 2 Oct 2023 271st FCORMERAIS 592 125 10ms 7 Mar 2024 277th ValdeQwerty 587 126 10ms 31 May 2023 277th firegene 🇮🇪 587 126 10ms 30 Jul 2024 277th starfihs 587 126 46ms 23 Feb 2025 280th mhenion8293 🇺🇸 583 127 9ms 19 Jan 2022 280th tooningelaere 583 127 10ms 4 Dec 2022 280th randolchance 583 127 9ms 24 Jan 2023 280th clemmers 🇺🇸 583 127 9ms 30 Jul 2023 280th brimstonetrader 583 127 10ms 18 Dec 2023 280th cros107 🇦🇺 583 127 10ms 7 Mar 2024 286th hjcafaroUC 578 128 10ms 29 May 2021 286th hymanimy 578 128 9ms 3 Aug 2021 286th AZ9tumas 578 128 48ms 12 Oct 2022 286th TheCod-r 🇦🇶 578 128 10ms 18 Feb 2023 290th CodeAltF4 574 129 15ms 8 Mar 2022 290th pmooreh 574 129 9ms 19 Aug 2022 292nd michelebastione 🇮🇹 569 130 10ms 4 Dec 2020 292nd Ellipsibus 569 130 10ms 9 Aug 2022 292nd logvp 569 130 11ms 12 Jan 2024 292nd geooff 569 130 9ms 11 May 2024 292nd Mabeloid 🇳🇴 569 130 11ms 11 Sep 2024 297th Ailko 🇧🇪 565 131 11ms 6 May 2022 297th try-except-try-accept 🇹🇭 565 131 9ms 28 Jun 2022 297th Glinte 565 131 10ms 13 Dec 2023 300th wirewolf010 561 132 9ms 5 Jan 2022 300th ademdj19 561 132 9ms 12 Apr 2022 300th Bergschaf 561 132 10ms 24 Dec 2023 303rd Andrey135296 556 133 10ms 23 Sep 2024 303rd WillowWispy 556 133 22ms 17 Mar 2025 305th twocatsinatrenchcoat 552 134 9ms 12 Jul 2022 305th elephantpanda 552 134 11ms 31 Aug 2022 305th epic-programmer-guy 552 134 9ms 20 Dec 2023 308th richard-oelze 🇩🇪 548 135 9ms 26 May 2021 308th qwjhvbxi 548 135 9ms 13 Feb 2024 308th Ralac07 🇦🇺 548 135 10ms 3 Jul 2024 308th robin-scragg 548 135 10ms 3 Oct 2025 312th shibacho 🇯🇵 544 136 9ms 24 Nov 2022 312th jediroberthatch 544 136 10ms 1 Aug 2025 314th Marthe-CC 540 137 9ms 9 Oct 2022 315th inverseLorentz 🇦🇺 536 138 11ms 23 May 2024 316th AlexanderFair 532 139 9ms 27 Jun 2023 316th ArenaGrenade 532 139 9ms 20 Feb 2024 316th Terobero 532 139 10ms 28 Aug 2024 319th tomh1012 529 140 10ms 2 Dec 2020 319th orifu 529 140 9ms 22 Feb 2021 First Prev 241–320 of 404 Next Last