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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 101st jtaxen 697 119 18ms 21 Oct 2024 101st psbpsbp 697 119 9ms 19 Dec 2024 101st klixel 🇨🇦 697 119 10ms 9 Apr 2025 101st vhoulbreque 🇫🇷 697 119 16ms 21 Nov 2025 105th TaserTheFox 🇺🇸 692 120 18ms 8 Oct 2024 105th yokasuretsu 692 120 11ms 26 Jan 2025 105th Troon 692 120 10ms 17 Feb 2025 105th keelimeguy 🇺🇸 692 120 19ms 14 Jun 2025 109th BREMAUCY 🇫🇷 686 121 17ms 18 Jul 2025 109th retrohun 686 121 10ms 21 Mar 2026 111th chartung17 680 122 10ms 24 Mar 2025 112th msbranicky 675 123 17ms 3 Oct 2024 112th bobbysq 675 123 12ms 5 Oct 2024 112th wuzekai518 675 123 10ms 8 Oct 2024 112th denkyuu1 675 123 16ms 10 Mar 2026 112th fuzzylojik-golf 🇺🇸 675 123 17ms 27 Mar 2026 117th NotEvenIndian 669 124 14ms 22 Oct 2024 117th ridingqwerty 🇺🇸 669 124 20ms 16 Jan 2025 117th CommandLeo 🇮🇹 669 124 11ms 5 Oct 2025 117th JOrE20 669 124 18ms 21 Feb 2026 121st bnic24 664 125 18ms 3 Oct 2024 121st adoxography 664 125 10ms 22 Oct 2024 121st wh3n3v3r 🇨🇿 664 125 11ms 18 Nov 2024 121st lelbal 664 125 10ms 14 Oct 2025 125th CatsAreFluffy 654 127 17ms 30 Oct 2024 125th WillowWispy 654 127 11ms 25 May 2025 127th madex 🇩🇪 643 129 21ms 2 Oct 2024 127th RedzGoose 🇦🇺 643 129 11ms 15 Oct 2024 127th calebaitken 643 129 10ms 11 Apr 2025 127th rollershutter 643 129 19ms 20 Nov 2025 131st Europe2048 638 130 11ms 2 Oct 2024 131st nstearns96 🇬🇧 638 130 17ms 2 Oct 2024 131st Stockoh 🇫🇷 638 130 17ms 4 Jul 2025 134th inverseLorentz 🇦🇺 634 131 12ms 7 Oct 2024 134th sciencejiho 634 131 24ms 11 Feb 2025 134th Jaydosu 634 131 11ms 11 Apr 2025 134th Emutis 🇱🇹 634 131 10ms 11 Nov 2025 138th sultan 629 132 17ms 12 days ago 139th Mabeloid 🇳🇴 624 133 10ms 2 Oct 2024 140th RaBa21 🇭🇺 615 135 17ms 19 Jul 2025 140th Mikey-Beep 🇬🇧 615 135 17ms 14 days 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 157th jbjd 585 142 11ms 4 Feb 2026 162nd GeneralFabian 580 143 10ms 9 Dec 2024 162nd CutSandstone 580 143 11ms 30 Jan 2025 162nd kistlerf 🇨🇭 580 143 17ms 19 May 2025 165th hiichbindermax 576 144 19ms 2 Oct 2024 165th mathisfun271 576 144 12ms 14 Oct 2024 165th bob-th 576 144 11ms 22 Oct 2024 165th cuvam 🇺🇸 576 144 17ms 4 days ago 169th JunkIce 572 145 10ms 3 Dec 2024 170th croc54 568 146 11ms 15 Dec 2024 171st PyryL 🇫🇮 565 147 11ms 1 Mar 2025 172nd mbittner20 561 148 10ms 13 Oct 2024 172nd YAJUE114514 561 148 10ms 12 Dec 2025 174th psaban 557 149 18ms 31 Jul 2025 174th TheZwierzLF 🇵🇱 557 149 11ms 24 Nov 2025 174th RodAlc24 🇪🇸 557 149 18ms 22 Feb 2026 177th FlorianCassayre 🇫🇷 553 150 18ms 1 Oct 2024 177th jameswmccarty 553 150 11ms 5 Oct 2024 177th yousefalizadeh 553 150 11ms 23 Oct 2024 177th feherd 553 150 10ms 31 Oct 2024 177th kadamkaustubh 553 150 11ms 8 Nov 2025 182nd adamnielson42 🇺🇸 546 152 10ms 6 Oct 2024 182nd voidgloom 546 152 11ms 22 Oct 2024 182nd omero-san 546 152 10ms 22 Sep 2025 182nd brochmann 🇸🇪 546 152 10ms 12 Oct 2025 186th xyangst 542 153 10ms 1 Oct 2024 186th denisfouchard 542 153 10ms 21 Aug 2025 188th osNiko 🇧🇷 539 154 11ms 21 Aug 2025 189th robin-scragg 535 155 11ms 21 Aug 2025 189th celiendonze 🇨🇭 535 155 11ms 17 Oct 2025 191st travisdoesmath 532 156 11ms 7 Sep 2025 191st Shotokhan 532 156 10ms 21 Sep 2025 193rd lhulinsky 529 157 11ms 21 Oct 2024 194th ellis-rix 525 158 11ms 9 Dec 2024 195th webmiche 522 159 11ms 3 Nov 2025 196th CheeseCake628 🇳🇴 519 160 108ms 5 Nov 2024 197th pres-abhisheksinha 516 161 10ms 8 Oct 2024 198th ibixina 512 162 10ms 13 Oct 2024 198th TheAtrossian 512 162 13ms 5 Jan 2025 200th zgialor-lab 509 163 18ms 7 days ago First Prev 101–200 of 225 Next Last