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 80th Artemis21 🇬🇧 735 113 17ms 23 Jan 2025 80th fkantelberg 735 113 10ms 11 Jul 2025 83rd HumanoidCPU 728 114 64ms 7 Mar 2025 84th jipsong 🇩🇪 722 115 16ms 12 May 2025 84th luuumine 🇫🇷 722 115 17ms 2 Dec 2025 84th Bmrl7 722 115 10ms 25 Dec 2025 87th rowechenzhong 716 116 10ms 17 Oct 2024 88th dtbao20 🇻🇳 709 117 18ms 1 Oct 2024 88th Pyroan 709 117 17ms 22 Feb 2025 88th vgamula 🇺🇦 709 117 16ms 5 Aug 2025 88th FortuiteMan 🇫🇷 709 117 17ms 1 Dec 2025 88th yujqiao 709 117 17ms 16 Dec 2025 93rd elgan65536 🇺🇸 703 118 12ms 2 Oct 2024 93rd logvp 703 118 17ms 6 Oct 2024 93rd ahmetdemirag 🇨🇾 703 118 10ms 6 Feb 2025 93rd dirckvdende 703 118 17ms 10 Jul 2025 97th jtaxen 697 119 17ms 21 Oct 2024 97th psbpsbp 697 119 10ms 19 Dec 2024 97th klixel 🇨🇦 697 119 10ms 9 Apr 2025 97th vhoulbreque 🇫🇷 697 119 9ms 21 Nov 2025 101st TaserTheFox 🇺🇸 692 120 17ms 8 Oct 2024 101st yokasuretsu 692 120 11ms 26 Jan 2025 101st Troon 692 120 11ms 17 Feb 2025 101st keelimeguy 🇺🇸 692 120 18ms 14 Jun 2025 105th BREMAUCY 🇫🇷 686 121 19ms 18 Jul 2025 106th chartung17 680 122 10ms 24 Mar 2025 107th msbranicky 675 123 16ms 3 Oct 2024 107th bobbysq 675 123 11ms 5 Oct 2024 107th wuzekai518 675 123 10ms 8 Oct 2024 110th NotEvenIndian 669 124 10ms 22 Oct 2024 110th ridingqwerty 🇺🇸 669 124 16ms 16 Jan 2025 110th CommandLeo 🇮🇹 669 124 10ms 5 Oct 2025 110th JOrE20 669 124 17ms 4 days ago 114th bnic24 664 125 16ms 3 Oct 2024 114th adoxography 664 125 11ms 22 Oct 2024 114th wh3n3v3r 🇨🇿 664 125 10ms 18 Nov 2024 114th lelbal 664 125 10ms 14 Oct 2025 118th CatsAreFluffy 654 127 17ms 30 Oct 2024 118th WillowWispy 654 127 11ms 25 May 2025 120th madex 🇩🇪 643 129 16ms 2 Oct 2024 120th RedzGoose 🇦🇺 643 129 11ms 15 Oct 2024 120th calebaitken 643 129 10ms 11 Apr 2025 120th rollershutter 643 129 17ms 20 Nov 2025 124th Europe2048 638 130 10ms 2 Oct 2024 124th nstearns96 🇬🇧 638 130 17ms 2 Oct 2024 124th Stockoh 🇫🇷 638 130 17ms 4 Jul 2025 127th inverseLorentz 🇦🇺 634 131 11ms 7 Oct 2024 127th dokutan 634 131 11ms 19 Oct 2024 127th sciencejiho 634 131 17ms 11 Feb 2025 127th Jaydosu 634 131 11ms 11 Apr 2025 127th Emutis 🇱🇹 634 131 9ms 11 Nov 2025 132nd Mabeloid 🇳🇴 624 133 11ms 2 Oct 2024 133rd RaBa21 🇭🇺 615 135 17ms 19 Jul 2025 134th sciencedjinn 610 136 10ms 8 Nov 2024 134th ihatethefrench 610 136 18ms 4 Jan 2025 134th Florian-Mt 610 136 17ms 5 Dec 2025 137th kurkale6ka 606 137 22ms 16 Oct 2024 137th 4ndyJ 🇬🇧 606 137 11ms 14 Nov 2024 137th Mikey-Beep 🇬🇧 606 137 17ms 6 Aug 2025 137th wobblybits 606 137 19ms 17 Aug 2025 137th Andrey2001 606 137 9ms 24 days ago 142nd scpchicken 🇵🇼 597 139 17ms 6 Oct 2024 142nd tomh1012 597 139 19ms 16 Jan 2026 144th NanduBC 593 140 9ms 1 Oct 2024 144th jmerle 🇳🇱 593 140 10ms 10 Jan 2025 144th RobertHoeh 593 140 11ms 3 Mar 2025 144th smilesformiles3 593 140 17ms 12 Jun 2025 144th artem-aramma 593 140 18ms 18 Jun 2025 149th FranklinJiaChen 589 141 10ms 2 Oct 2024 150th brimstonetrader 585 142 11ms 17 Oct 2024 150th codewrite 🇬🇧 585 142 10ms 5 May 2025 150th RobGLambert 585 142 17ms 8 Jun 2025 150th GodlyProgrammer1 585 142 18ms 22 Nov 2025 150th jbjd 585 142 11ms 21 days ago 155th GeneralFabian 580 143 10ms 9 Dec 2024 155th CutSandstone 580 143 10ms 30 Jan 2025 155th kistlerf 🇨🇭 580 143 17ms 19 May 2025 158th hiichbindermax 576 144 17ms 2 Oct 2024 158th mathisfun271 576 144 10ms 14 Oct 2024 158th bob-th 576 144 10ms 22 Oct 2024 First Prev 81–160 of 217 Next Last