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2,500 Python challenges
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Sieve of Eratosthenes
Hard
Python
algorithms
arrays
math
Temperature Converter
Hard
Python
numbers
conditions
Through the Grid
Hard
Python
algorithms
numbers
logic
RegEx XI-B: Whitespace Character Class
Hard
Python
regex
Shadow Sentences
Hard
Python
strings
loops
validation
Column With Maximum Sum
Hard
Python
arrays
language_fundamentals
Compass Directions
Hard
Python
arrays
control_flow
Sort by Answer
Hard
Python
math
arrays
language_fundamentals
Rotate a Matrix 90 Degrees Clockwise
Hard
Python
arrays
Caesar Cipher
Hard
Python
cryptography
strings
loops
Mona's Sort
Hard
Python
sorting
scope
loops
Energy Bill Calculator
Hard
Python
dates
math
numbers
FSA: Individual Instructions
Hard
Python
data_structures
functional_programming
arrays
Sorting Band Names without Articles
Hard
Python
arrays
regex
strings
Complete Prime Factorization
Hard
Python
arrays
math
Smallest Transform
Hard
Python
arrays
scope
RegEx X-B: Word Character Class
Hard
Python
regex
formatting
Cluster Vowels, Single Out Consonants
Hard
Python
strings
regex
Zygodromes
Hard
Python
numbers
validation
Validate the Relationships Between Integers in a String
Hard
Python
strings
conditions
validation
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