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 ><> 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 Bytes Time Submitted 81st HumanoidCPU 728 114 65ms 7 Mar 2025 82nd jipsong 🇩🇪 722 115 16ms 12 May 2025 82nd luuumine 🇫🇷 722 115 18ms 2 Dec 2025 82nd Bmrl7 722 115 12ms 25 Dec 2025 85th rowechenzhong 716 116 10ms 17 Oct 2024 86th dtbao20 🇻🇳 709 117 18ms 1 Oct 2024 86th Pyroan 709 117 17ms 22 Feb 2025 86th vgamula 🇺🇦 709 117 16ms 5 Aug 2025 86th FortuiteMan 🇫🇷 709 117 17ms 1 Dec 2025 86th yujqiao 709 117 17ms 16 Dec 2025 91st elgan65536 🇺🇸 703 118 13ms 2 Oct 2024 91st logvp 703 118 17ms 6 Oct 2024 91st ahmetdemirag 🇨🇾 703 118 10ms 6 Feb 2025 91st dirckvdende 703 118 17ms 10 Jul 2025 95th jtaxen 697 119 17ms 21 Oct 2024 95th psbpsbp 697 119 10ms 19 Dec 2024 95th klixel 🇨🇦 697 119 11ms 9 Apr 2025 95th vhoulbreque 🇫🇷 697 119 10ms 21 Nov 2025 99th TaserTheFox 🇺🇸 692 120 17ms 8 Oct 2024 99th yokasuretsu 692 120 11ms 26 Jan 2025 99th Troon 692 120 11ms 17 Feb 2025 99th keelimeguy 🇺🇸 692 120 18ms 14 Jun 2025 103rd BREMAUCY 🇫🇷 686 121 24ms 18 Jul 2025 104th chartung17 680 122 10ms 24 Mar 2025 105th msbranicky 675 123 18ms 3 Oct 2024 105th bobbysq 675 123 11ms 5 Oct 2024 105th wuzekai518 675 123 10ms 8 Oct 2024 108th NotEvenIndian 669 124 10ms 22 Oct 2024 108th ridingqwerty 🇺🇸 669 124 16ms 16 Jan 2025 108th CommandLeo 🇮🇹 669 124 11ms 5 Oct 2025 111th bnic24 664 125 16ms 3 Oct 2024 111th adoxography 664 125 11ms 22 Oct 2024 111th wh3n3v3r 🇨🇿 664 125 13ms 18 Nov 2024 111th lelbal 664 125 10ms 14 Oct 2025 115th CatsAreFluffy 654 127 18ms 30 Oct 2024 115th WillowWispy 654 127 11ms 25 May 2025 117th madex 🇩🇪 643 129 17ms 2 Oct 2024 117th RedzGoose 🇦🇺 643 129 11ms 15 Oct 2024 117th calebaitken 643 129 11ms 11 Apr 2025 117th rollershutter 643 129 17ms 20 Nov 2025 117th JOrE20 🇺🇸 643 129 18ms 1 Dec 2025 122nd Europe2048 638 130 10ms 2 Oct 2024 122nd nstearns96 🇬🇧 638 130 17ms 2 Oct 2024 122nd Stockoh 🇫🇷 638 130 17ms 4 Jul 2025 125th inverseLorentz 🇦🇺 634 131 11ms 7 Oct 2024 125th dokutan 634 131 13ms 19 Oct 2024 125th sciencejiho 634 131 17ms 11 Feb 2025 125th Jaydosu 634 131 15ms 11 Apr 2025 125th Emutis 🇱🇹 634 131 9ms 11 Nov 2025 130th Mabeloid 🇳🇴 624 133 11ms 2 Oct 2024 131st RaBa21 🇭🇺 615 135 17ms 19 Jul 2025 132nd sciencedjinn 610 136 11ms 8 Nov 2024 132nd ihatethefrench 610 136 18ms 4 Jan 2025 132nd Florian-Mt 610 136 17ms 5 Dec 2025 135th kurkale6ka 606 137 22ms 16 Oct 2024 135th 4ndyJ 🇬🇧 606 137 12ms 14 Nov 2024 135th Mikey-Beep 🇬🇧 606 137 17ms 6 Aug 2025 135th wobblybits 606 137 19ms 17 Aug 2025 135th Andrey2001 606 137 10ms 10 days ago 140th scpchicken 🇵🇼 597 139 17ms 6 Oct 2024 140th tomh1012 597 139 19ms 26 days ago 140th Flekay 🇩🇪 597 139 10ms 17 hours ago 143rd NanduBC 593 140 13ms 1 Oct 2024 143rd jmerle 🇳🇱 593 140 14ms 10 Jan 2025 143rd RobertHoeh 593 140 12ms 3 Mar 2025 143rd smilesformiles3 593 140 17ms 12 Jun 2025 143rd artem-aramma 593 140 18ms 18 Jun 2025 148th FranklinJiaChen 589 141 10ms 2 Oct 2024 149th brimstonetrader 585 142 11ms 17 Oct 2024 149th codewrite 🇬🇧 585 142 10ms 5 May 2025 149th RobGLambert 585 142 18ms 8 Jun 2025 149th GodlyProgrammer1 585 142 19ms 22 Nov 2025 149th jbjd 585 142 13ms 8 days ago 154th GeneralFabian 580 143 11ms 9 Dec 2024 154th CutSandstone 580 143 10ms 30 Jan 2025 154th kistlerf 🇨🇭 580 143 19ms 19 May 2025 157th hiichbindermax 576 144 17ms 2 Oct 2024 157th mathisfun271 576 144 10ms 14 Oct 2024 157th bob-th 576 144 10ms 22 Oct 2024 160th JunkIce 572 145 11ms 3 Dec 2024 First Prev 81–160 of 215 Next Last