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 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 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 Calendar 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 Multitap Input NFA Simulator 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 Multitap Input NFA Simulator 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 149th kistlerf 🇨🇭 580 143 17ms 19 May 2025 152nd hiichbindermax 576 144 16ms 2 Oct 2024 152nd mathisfun271 576 144 14ms 14 Oct 2024 152nd bob-th 576 144 9ms 22 Oct 2024 155th JunkIce 572 145 13ms 3 Dec 2024 155th Flekay 🇩🇪 572 145 10ms 10 Jul 2025 157th croc54 568 146 11ms 15 Dec 2024 158th PyryL 🇫🇮 565 147 10ms 1 Mar 2025 159th mbittner20 561 148 9ms 13 Oct 2024 160th psaban 557 149 16ms 31 Jul 2025 160th TheZwierzLF 🇵🇱 557 149 11ms 11 days ago 162nd FlorianCassayre 🇫🇷 553 150 16ms 1 Oct 2024 162nd jameswmccarty 553 150 9ms 5 Oct 2024 162nd yousefalizadeh 553 150 10ms 23 Oct 2024 162nd feherd 553 150 10ms 31 Oct 2024 162nd kadamkaustubh 553 150 10ms 27 days ago 167th adamnielson42 🇺🇸 546 152 10ms 6 Oct 2024 167th voidgloom 546 152 10ms 22 Oct 2024 167th omero-san 546 152 10ms 22 Sep 2025 167th brochmann 🇸🇪 546 152 10ms 12 Oct 2025 171st xyangst 542 153 9ms 1 Oct 2024 171st denisfouchard 542 153 10ms 21 Aug 2025 173rd osNiko 🇧🇷 539 154 10ms 21 Aug 2025 174th robin-scragg 535 155 9ms 21 Aug 2025 174th celiendonze 🇨🇭 535 155 10ms 17 Oct 2025 176th travisdoesmath 532 156 9ms 7 Sep 2025 176th Shotokhan 532 156 9ms 21 Sep 2025 178th lhulinsky 529 157 10ms 21 Oct 2024 179th ThatAlo 525 158 11ms 9 Dec 2024 180th webmiche 522 159 11ms 3 Nov 2025 181st CheeseCake628 🇳🇴 519 160 100ms 5 Nov 2024 182nd pres-abhisheksinha 516 161 11ms 8 Oct 2024 183rd ibixina 512 162 9ms 13 Oct 2024 183rd TheAtrossian 512 162 10ms 5 Jan 2025 185th Vaekor 503 165 12ms 15 Dec 2024 186th JesseNoEyes 🇺🇸 491 169 9ms 1 Oct 2024 187th zyc-2024 🇨🇳 488 170 10ms 5 Oct 2024 188th ComputerKWasTaken 🇺🇸 485 171 9ms 14 Oct 2024 189th navier-1 480 173 9ms 22 Sep 2025 190th clayboll99 472 176 10ms 10 Jul 2025 191st Upload-and-View 🇺🇦 469 177 16ms 9 Aug 2025 192nd OSYCh314 🇦🇺 466 178 11ms 2 Nov 2024 193rd calum12345 461 180 10ms 26 Mar 2025 194th zt14427 456 182 10ms 27 Dec 2024 195th IoLimmer 454 183 9ms 10 Oct 2024 196th aksyristos 451 184 17ms 15 Nov 2024 197th estomagordo 🇳🇱 446 186 10ms 15 Jul 2025 198th gautambp 381 218 10ms 24 Jun 2025 199th Zhenyu-Bo 364 228 10ms 30 Jul 2025 200th EthanJantz 361 230 10ms 5 Sep 2025 201st RobertBurs 350 237 9ms 22 Sep 2025 202nd TJK-S 344 241 11ms 25 Oct 2025 203rd te-chnical 322 258 198ms 4 May 2025 204th arebbsba 280 296 11ms 9 Jan 2025 205th AidanWalter 154 540 10ms 1 Jan 2025 206th bignamehyp 124 667 10ms 14 Nov 2024 First Prev 151–206 of 206