Card Number Validation in Python in chars. 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 Calendar 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 Multitap Input 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 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 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 Chars Time Submitted 80th zbreit 🇺🇸 626 107 17ms 29 Oct 2024 80th StardustGogeta 626 107 19ms 30 Oct 2024 80th ZakkkkAttackkkk 🇵🇭 626 107 16ms 8 Feb 2025 80th InigoK 🇺🇸 626 107 17ms 22 Sep 2025 85th neihousaigaai 620 108 17ms 4 Oct 2024 85th StefanHabel 🇨🇦 620 108 15ms 23 Jan 2025 85th CaedenHarper 🇨🇦 620 108 17ms 22 Jul 2025 88th cros107 🇦🇺 609 110 18ms 1 Jan 2025 88th guilhem-roy 🇫🇷 609 110 17ms 29 May 2025 88th Lv0Sys 🇵🇱 609 110 17ms 10 Dec 2025 91st mousetail 🇳🇱 604 111 17ms 6 Oct 2024 92nd OllieBoyne 🇬🇧 598 112 17ms 17 Oct 2024 92nd WillConker 598 112 12ms 22 Oct 2024 92nd maxgodfrey2004 🇨🇦 598 112 10ms 4 Jan 2025 95th jipsong 🇩🇪 583 115 16ms 12 May 2025 96th rowechenzhong 578 116 10ms 17 Oct 2024 97th dtbao20 🇻🇳 573 117 18ms 1 Oct 2024 97th Pyroan 573 117 17ms 22 Feb 2025 97th vgamula 🇺🇦 573 117 16ms 5 Aug 2025 97th FortuiteMan 🇫🇷 573 117 17ms 1 Dec 2025 97th yujqiao 573 117 17ms 16 Dec 2025 102nd elgan65536 🇺🇸 568 118 13ms 2 Oct 2024 102nd logvp 568 118 17ms 6 Oct 2024 102nd ahmetdemirag 🇨🇾 568 118 10ms 6 Feb 2025 102nd dirckvdende 568 118 17ms 10 Jul 2025 106th jtaxen 563 119 17ms 21 Oct 2024 106th psbpsbp 563 119 10ms 19 Dec 2024 106th klixel 🇨🇦 563 119 11ms 9 Apr 2025 106th vhoulbreque 🇫🇷 563 119 10ms 21 Nov 2025 110th TaserTheFox 🇺🇸 558 120 17ms 8 Oct 2024 110th yokasuretsu 558 120 11ms 26 Jan 2025 110th Troon 558 120 11ms 17 Feb 2025 113th BREMAUCY 🇫🇷 554 121 24ms 18 Jul 2025 114th chartung17 549 122 10ms 24 Mar 2025 115th msbranicky 545 123 18ms 3 Oct 2024 115th bobbysq 545 123 11ms 5 Oct 2024 115th wuzekai518 545 123 10ms 8 Oct 2024 118th NotEvenIndian 540 124 10ms 22 Oct 2024 118th ridingqwerty 🇺🇸 540 124 16ms 16 Jan 2025 118th CommandLeo 🇮🇹 540 124 11ms 5 Oct 2025 121st bnic24 536 125 16ms 3 Oct 2024 121st adoxography 536 125 11ms 22 Oct 2024 121st lelbal 536 125 10ms 14 Oct 2025 124th CatsAreFluffy 528 127 18ms 30 Oct 2024 124th WillowWispy 528 127 11ms 25 May 2025 126th madex 🇩🇪 519 129 17ms 2 Oct 2024 126th RedzGoose 🇦🇺 519 129 11ms 15 Oct 2024 126th calebaitken 519 129 11ms 11 Apr 2025 126th rollershutter 519 129 17ms 20 Nov 2025 130th Europe2048 515 130 10ms 2 Oct 2024 130th nstearns96 🇬🇧 515 130 17ms 2 Oct 2024 130th Stockoh 🇫🇷 515 130 17ms 4 Jul 2025 133rd inverseLorentz 🇦🇺 511 131 11ms 7 Oct 2024 133rd sciencejiho 511 131 17ms 11 Feb 2025 133rd Jaydosu 511 131 15ms 11 Apr 2025 133rd Emutis 🇱🇹 511 131 9ms 11 Nov 2025 137th Mabeloid 🇳🇴 504 133 11ms 2 Oct 2024 138th sciencedjinn 493 136 11ms 8 Nov 2024 138th ihatethefrench 493 136 18ms 4 Jan 2025 138th Florian-Mt 493 136 17ms 5 Dec 2025 141st kurkale6ka 489 137 22ms 16 Oct 2024 141st 4ndyJ 🇬🇧 489 137 12ms 14 Nov 2024 141st Mikey-Beep 🇬🇧 489 137 17ms 6 Aug 2025 141st wobblybits 489 137 19ms 17 Aug 2025 141st Andrey2001 489 137 10ms 10 days ago 146th scpchicken 🇵🇼 482 139 17ms 6 Oct 2024 146th tomh1012 482 139 19ms 26 days ago 148th NanduBC 479 140 13ms 1 Oct 2024 148th jmerle 🇳🇱 479 140 14ms 10 Jan 2025 148th RobertHoeh 479 140 12ms 3 Mar 2025 148th smilesformiles3 479 140 17ms 12 Jun 2025 148th artem-aramma 479 140 18ms 18 Jun 2025 153rd FranklinJiaChen 475 141 10ms 2 Oct 2024 154th brimstonetrader 472 142 11ms 17 Oct 2024 154th codewrite 🇬🇧 472 142 10ms 5 May 2025 154th RobGLambert 472 142 18ms 8 Jun 2025 154th GodlyProgrammer1 472 142 19ms 22 Nov 2025 154th jbjd 472 142 13ms 8 days ago 159th GeneralFabian 469 143 11ms 9 Dec 2024 159th CutSandstone 469 143 10ms 30 Jan 2025 First Prev 81–160 of 215 Next Last