Card Number Validation 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Bytes Time Submitted 1st khvdm 1,000 83 19ms 7 Jun 2025 2nd bizy-coder 988 84 20ms 1 Oct 2024 2nd pardouin 🇫🇷 988 84 21ms 1 Oct 2024 2nd AlephSquirrel 988 84 20ms 1 Oct 2024 2nd btnlq 988 84 21ms 1 Oct 2024 2nd Seek64 🇩🇪 988 84 20ms 1 Oct 2024 2nd m-tkach 🇺🇦 988 84 21ms 1 Oct 2024 2nd Rubiksmath 988 84 22ms 7 Oct 2024 2nd JayXon 🇺🇸 988 84 20ms 13 Oct 2024 2nd kops-cg 988 84 20ms 22 Feb 2025 2nd xnor-gate 988 84 21ms 23 Feb 2025 2nd ryyyn 🇺🇸 988 84 21ms 21 days ago 2nd Steffan153 🇫🇮 988 84 20ms 4 days ago 14th inventshah 976 85 22ms 4 Oct 2024 15th hallvabo 🇳🇴 965 86 19ms 4 Jun 2025 16th nwellnhof 🇩🇪 922 90 20ms 1 Oct 2024 16th ovs-code 🇩🇪 922 90 17ms 3 Oct 2024 16th kg583 🇺🇸 922 90 16ms 9 Oct 2024 16th sean-niemann 🇺🇸 922 90 20ms 23 Dec 2024 16th firegene 🇮🇪 922 90 16ms 6 days ago 16th lukegustafson 🇺🇸 922 90 20ms 14 hours ago 22nd 5cw 🇺🇸 912 91 16ms 1 Oct 2024 22nd stefangimmillaro 912 91 16ms 13 Oct 2024 22nd duckyluuk 🇳🇱 912 91 21ms 18 Oct 2024 22nd GrayJoKing 🇦🇺 912 91 19ms 2 Jul 2025 26th Shanethegamer 🇺🇸 902 92 16ms 3 Oct 2024 26th error256 902 92 21ms 7 Oct 2024 26th thatbirdguythatuknownot 902 92 18ms 14 Oct 2024 29th Bulmenisaurus 892 93 17ms 6 Oct 2024 29th lynn 892 93 16ms 8 Jan 2025 29th CornerMercury 🇬🇧 892 93 16ms 23 Nov 2025 29th KasperKivimaeki 🇫🇮 892 93 17ms 30 Nov 2025 29th blaztoma 🇱🇹 892 93 18ms 18 Dec 2025 34th DialFrost 🇸🇬 883 94 18ms 1 Oct 2024 34th ndren 883 94 16ms 14 Feb 2025 34th anter69 🇭🇺 883 94 20ms 2 hours ago 37th moustave 874 95 20ms 4 Nov 2024 37th emgordon154 874 95 17ms 18 Nov 2024 39th MeWhenI 🇻🇦 865 96 17ms 30 Jul 2025 40th plcc0 856 97 17ms 12 Jan 2026 41st GolfingSuccess 🇬🇷 847 98 17ms 5 Oct 2024 41st albanian-laundromat 847 98 17ms 3 Nov 2025 43rd SirBogman 🇺🇸 838 99 16ms 8 Oct 2024 44th bzijlema 🇳🇱 830 100 18ms 10 Oct 2024 44th bricknellj 830 100 17ms 4 Mar 2025 46th lifthrasiir 🇰🇷 822 101 16ms 21 Nov 2024 46th btjones0 822 101 17ms 2 Dec 2024 48th annaproxy 814 102 17ms 1 Oct 2024 48th snoozingnewt 🇨🇦 814 102 9ms 6 Dec 2025 48th solisolu 814 102 10ms 31 Dec 2025 48th Flekay 🇩🇪 814 102 18ms 6 days ago 52nd jatloe 798 104 10ms 1 Oct 2024 53rd fourth-bit 790 105 17ms 1 Oct 2024 53rd jared-hughes 790 105 16ms 3 Oct 2024 53rd mattyhempstead 790 105 26ms 7 Oct 2024 56th davecame 783 106 17ms 1 Oct 2024 56th starfihs 783 106 10ms 2 Oct 2024 56th rschwa6308 🇺🇸 783 106 16ms 28 Oct 2024 56th snydej 783 106 17ms 21 Nov 2024 56th andrewjc2000 783 106 17ms 17 Jul 2025 56th qpwoeirut 783 106 10ms 19 Aug 2025 56th KatieLG 🇬🇧 783 106 17ms 14 days ago 63rd commandz0 🇺🇸 776 107 17ms 7 Oct 2024 63rd zbreit 🇺🇸 776 107 16ms 29 Oct 2024 63rd StardustGogeta 776 107 17ms 30 Oct 2024 63rd ZakkkkAttackkkk 🇵🇭 776 107 16ms 8 Feb 2025 63rd InigoK 🇺🇸 776 107 17ms 22 Sep 2025 63rd Lv0Sys 🇵🇱 776 107 17ms 3 days ago 69th neihousaigaai 769 108 17ms 4 Oct 2024 69th StefanHabel 🇨🇦 769 108 15ms 23 Jan 2025 69th CaedenHarper 🇨🇦 769 108 17ms 22 Jul 2025 69th BrunoVisnadi 🇧🇷 769 108 16ms 1 Oct 2025 73rd cros107 🇦🇺 755 110 17ms 1 Jan 2025 73rd guilhem-roy 🇫🇷 755 110 17ms 29 May 2025 75th mousetail 🇳🇱 748 111 17ms 6 Oct 2024 76th OllieBoyne 🇬🇧 741 112 17ms 17 Oct 2024 76th WillConker 741 112 12ms 22 Oct 2024 76th maxgodfrey2004 🇨🇦 741 112 10ms 4 Jan 2025 76th Babafaba 741 112 16ms 11 Nov 2025 80th SB-945 735 113 17ms 1 Oct 2024 1–80 of 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