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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 81st OllieBoyne 🇬🇧 741 112 19ms 17 Oct 2024 81st WillConker 741 112 11ms 22 Oct 2024 81st maxgodfrey2004 🇨🇦 741 112 10ms 4 Jan 2025 81st Babafaba 741 112 18ms 11 Nov 2025 85th SB-945 735 113 17ms 1 Oct 2024 85th Artemis21 🇬🇧 735 113 18ms 23 Jan 2025 85th fkantelberg 735 113 10ms 11 Jul 2025 88th HumanoidCPU 728 114 66ms 7 Mar 2025 89th jipsong 🇩🇪 722 115 18ms 12 May 2025 89th luuumine 🇫🇷 722 115 19ms 2 Dec 2025 89th Bmrl7 722 115 13ms 25 Dec 2025 92nd rowechenzhong 716 116 17ms 17 Oct 2024 93rd dtbao20 🇻🇳 709 117 19ms 1 Oct 2024 93rd Pyroan 709 117 18ms 22 Feb 2025 93rd vgamula 🇺🇦 709 117 17ms 5 Aug 2025 93rd FortuiteMan 🇫🇷 709 117 18ms 1 Dec 2025 93rd yujqiao 709 117 25ms 16 Dec 2025 98th elgan65536 🇺🇸 703 118 11ms 2 Oct 2024 98th logvp 703 118 18ms 6 Oct 2024 98th ahmetdemirag 🇨🇾 703 118 10ms 6 Feb 2025 98th dirckvdende 703 118 17ms 10 Jul 2025 102nd jtaxen 697 119 18ms 21 Oct 2024 102nd psbpsbp 697 119 9ms 19 Dec 2024 102nd klixel 🇨🇦 697 119 10ms 9 Apr 2025 102nd vhoulbreque 🇫🇷 697 119 16ms 21 Nov 2025 106th TaserTheFox 🇺🇸 692 120 18ms 8 Oct 2024 106th yokasuretsu 692 120 11ms 26 Jan 2025 106th Troon 692 120 10ms 17 Feb 2025 106th keelimeguy 🇺🇸 692 120 19ms 14 Jun 2025 110th BREMAUCY 🇫🇷 686 121 17ms 18 Jul 2025 110th retrohun 686 121 10ms 22 days ago 112th chartung17 680 122 10ms 24 Mar 2025 113th msbranicky 675 123 17ms 3 Oct 2024 113th bobbysq 675 123 12ms 5 Oct 2024 113th wuzekai518 675 123 10ms 8 Oct 2024 113th denkyuu1 675 123 18ms 10 Mar 2026 113th fuzzylojik-golf 🇺🇸 675 123 17ms 16 days ago 118th NotEvenIndian 669 124 14ms 22 Oct 2024 118th ridingqwerty 🇺🇸 669 124 20ms 16 Jan 2025 118th CommandLeo 🇮🇹 669 124 11ms 5 Oct 2025 118th JOrE20 669 124 18ms 21 Feb 2026 122nd bnic24 664 125 18ms 3 Oct 2024 122nd adoxography 664 125 10ms 22 Oct 2024 122nd wh3n3v3r 🇨🇿 664 125 11ms 18 Nov 2024 122nd lelbal 664 125 10ms 14 Oct 2025 126th CatsAreFluffy 654 127 17ms 30 Oct 2024 126th WillowWispy 654 127 11ms 25 May 2025 128th madex 🇩🇪 643 129 21ms 2 Oct 2024 128th RedzGoose 🇦🇺 643 129 11ms 15 Oct 2024 128th calebaitken 643 129 10ms 11 Apr 2025 128th rollershutter 643 129 19ms 20 Nov 2025 132nd Europe2048 638 130 11ms 2 Oct 2024 132nd nstearns96 🇬🇧 638 130 17ms 2 Oct 2024 132nd Stockoh 🇫🇷 638 130 17ms 4 Jul 2025 135th inverseLorentz 🇦🇺 634 131 12ms 7 Oct 2024 135th sciencejiho 634 131 24ms 11 Feb 2025 135th Jaydosu 634 131 11ms 11 Apr 2025 135th Emutis 🇱🇹 634 131 10ms 11 Nov 2025 139th Mabeloid 🇳🇴 624 133 10ms 2 Oct 2024 140th RaBa21 🇭🇺 615 135 17ms 19 Jul 2025 140th Mikey-Beep 🇬🇧 615 135 17ms 12 hours ago 142nd sciencedjinn 610 136 10ms 8 Nov 2024 142nd mchalunderscore 610 136 20ms 4 Jan 2025 142nd Florian-Mt 610 136 17ms 5 Dec 2025 145th kurkale6ka 606 137 29ms 16 Oct 2024 145th 4ndyJ 🇬🇧 606 137 12ms 14 Nov 2024 145th wobblybits 606 137 18ms 17 Aug 2025 145th Andrey2001 606 137 16ms 1 Feb 2026 145th tomh1012 606 137 18ms 4 Mar 2026 145th Aquateraneal 🇺🇸 606 137 18ms 8 Mar 2026 151st NanduBC 593 140 11ms 1 Oct 2024 151st jmerle 🇳🇱 593 140 10ms 10 Jan 2025 151st RobertHoeh 593 140 10ms 3 Mar 2025 151st smilesformiles3 593 140 18ms 12 Jun 2025 151st artem-aramma 593 140 16ms 18 Jun 2025 156th FranklinJiaChen 589 141 13ms 2 Oct 2024 157th brimstonetrader 585 142 16ms 17 Oct 2024 157th codewrite 🇬🇧 585 142 12ms 5 May 2025 157th RobGLambert 585 142 19ms 8 Jun 2025 157th GodlyProgrammer1 585 142 18ms 22 Nov 2025 First Prev 81–160 of 223 Next Last