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FREECODECAMP

daily coding challenges python

Challenge 72: Thermostat Adjuster 2
Challenge 134: Traveling Shopper
Challenge 157: Markdown Link Parser
Challenge 97: GCD
Challenge 99: Fingerprint Test
Challenge 226: Passing Exam Count
Challenge 94: Email Signature Generator
Challenge 94: Email Signature Generator
Challenge 103: LCM
Challenge 103: LCM
Challenge 75: Hidden Treasure
Challenge 75: Hidden Treasure
Challenge 196: 2026 Winter Games Day 17: Closing Day
Challenge 196: 2026 Winter Games Day 17: Closing Day
Challenge 114: Camel to Snake
Challenge 114: Camel to Snake
Challenge 234: Prank Number
Challenge 234: Prank Number
Challenge 198: Business Day Count
Challenge 198: Business Day Count
Challenge 63: Battle of Words
Challenge 63: Battle of Words
Challenge 210: HSL Validator
Challenge 210: HSL Validator
Challenge 200: Letter and Number Count
Challenge 200: Letter and Number Count
Challenge 92: Extension Extractor
Challenge 92: Extension Extractor
Challenge 26: IPv4 Validator
Challenge 26: IPv4 Validator
Challenge 194: 2026 Winter Games Day 15: Freestyle Skiing
Challenge 194: 2026 Winter Games Day 15: Freestyle Skiing
Challenge 54: P@ssw0rd Str3ngth!
Challenge 54: P@ssw0rd Str3ngth!
Challenge 80: Email Sorter
Challenge 80: Email Sorter
Challenge 17: Unorder of Operations
Challenge 17: Unorder of Operations
Challenge 1: Vowel Balance
Challenge 1: Vowel Balance
Challenge 11: Mile Pace
Challenge 11: Mile Pace
Challenge 59: Space Week Day 5: Goldilocks Zone
Challenge 59: Space Week Day 5: Goldilocks Zone
Challenge 25: Vowel Repeater
Challenge 25: Vowel Repeater
Challenge 245: Spiral Matrix
Challenge 245: Spiral Matrix
Challenge 155: Plant the Crop
Challenge 155: Plant the Crop
Challenge 236: Browser History
Challenge 236: Browser History
Challenge 79: Navigator
Challenge 79: Navigator
Challenge 82: SpOoKy~CaSe
Challenge 82: SpOoKy~CaSe
Challenge 16: Reverse Parenthesis
Challenge 16: Reverse Parenthesis
Challenge 32: Reverse Sentence
Challenge 32: Reverse Sentence
Challenge 128: Consonant Count
Challenge 128: Consonant Count
Challenge 150: Markdown Unordered List Parser
Challenge 150: Markdown Unordered List Parser
Challenge 147: Leap Year Calculator
Challenge 147: Leap Year Calculator
Challenge 258: Word Decompressor
Challenge 258: Word Decompressor
Challenge 117: Symmetric Difference
Challenge 117: Symmetric Difference
Challenge 65: String Count
Challenge 65: String Count
Challenge 20: Array Duplicates
Challenge 20: Array Duplicates
Challenge 68: Credit Card Masker
Challenge 68: Credit Card Masker
Challenge 109: What's My Age Again?
Challenge 109: What's My Age Again?
Challenge 91: Word Search
Challenge 91: Word Search
Challenge 252: Unique Stair Climber
Challenge 252: Unique Stair Climber
Challenge 203: Flattened
Challenge 203: Flattened
Challenge 197: Blood Type Compatibility
Challenge 197: Blood Type Compatibility
Challenge 113: Miles to Kilometers
Challenge 113: Miles to Kilometers
Challenge 96: Is It the Weekend?
Challenge 96: Is It the Weekend?
Challenge 47: Caught Speeding
Challenge 47: Caught Speeding
Challenge 239: What Day Is It?
Challenge 239: What Day Is It?
Challenge 89: Counting Cards
Challenge 89: Counting Cards
Challenge 195: 2026 Winter Games Day 16: Curling
Challenge 195: 2026 Winter Games Day 16: Curling
Challenge 74: Favorite Songs
Challenge 74: Favorite Songs
Challenge 176: Groundhog Day
Challenge 176: Groundhog Day
Challenge 6: Anagram Checker
Challenge 6: Anagram Checker
Challenge 170: Odd or Even Day
Challenge 170: Odd or Even Day
Challenge 214: Domino Chain Validator
Challenge 214: Domino Chain Validator
Challenge 101: Markdown Heading Converter
Challenge 101: Markdown Heading Converter
Challenge 38: Slug Generator
Challenge 38: Slug Generator
Challenge 153: Tic-Tac-Toe
Challenge 153: Tic-Tac-Toe
Challenge 162: Energy Consumption
Challenge 162: Energy Consumption
Challenge 220: Largest Number
Challenge 220: Largest Number
Challenge 138: Sum of Divisors
Challenge 138: Sum of Divisors
Challenge 83: Signature Validation
Challenge 83: Signature Validation
Challenge 18: Second Best
Challenge 18: Second Best
Challenge 204: Sum the Letters
Challenge 204: Sum the Letters
Challenge 231: ISBN-10 Validator
Challenge 231: ISBN-10 Validator
Challenge 112: AI Detector
Challenge 112: AI Detector
Challenge 49: CSV Header Parser
Challenge 60: Space Week Day 6: Moon Phase
Challenge 216: Pi Day
Challenge 102: Longest Word
Challenge 69: Missing Socks
Challenge 209: Element Size
Challenge 107: FizzBuzz
Challenge 124: Inventory Update
Challenge 191: 2026 Winter Games Day 12: Bobsled
Challenge 201: Matrix Shift
Challenge 127: Speed Check
Challenge 174: Zodiac Finder
Challenge 215: Parking Fee Calculator
Challenge 130: Checkerboard
Challenge 182: 2026 Winter Games Day 3: Biathlon
Challenge 106: Message Validator
Challenge 111: Ball Trajectory
Challenge 4: S P A C E J A M
Challenge 193: 2026 Winter Games Day 14: Ski Mountaineering
Challenge 241: FizzBuzz Validator
Challenge 228: Movie Night
Challenge 78: Integer Sequence
Challenge 218: Evenly Divisible
Challenge 21: Hex Generator
Challenge 238: Digit Rotation Escape
Challenge 100: 100 Characters
Challenge 12: Message Decoder
Challenge 163: Consonant Case
Challenge 223: QR Decoder
Challenge 87: Matrix Builder
Challenge 189: 2026 Winter Games Day 10: Alpine Skiing
Challenge 51: Phone Number Formatter
Challenge 133: Daylight Hours
Challenge 10: 3 Strikes
Challenge 118: Date Formatter
Challenge 188: 2026 Winter Games Day 9: Skeleton
Challenge 29: Acronym Builder
Challenge 181: 2026 Winter Games Day 2: Snowboarding
Challenge 36: Thermostat Adjuster
Challenge 173: Valid Pawn Moves
Challenge 263: Binary Crossword