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2,500 Python challenges
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The Islands
Hard
Python
algorithms
math
Postfix Notation (Part 2: Infix to Postfix)
Hard
Python
logic
math
Generate Valid IP Addresses
Hard
Python
algorithms
conditions
numbers
Injection IV: Inside the Function
Hard
Python
data_structures
games
logic
Solve a Linear Equation
Hard
Python
algorithms
math
regex
Chinese Remainders
Hard
Python
math
numbers
algorithms
Correct the Spending Bill
Hard
Python
regex
strings
Infinite Sequence
Hard
Python
algorithms
numbers
math
Shuffle the List to Maximize Count of Greater Values
Hard
Python
algorithms
arrays
logic
The District Skylines
Hard
Python
algorithms
arrays
logic
Chain Reaction (Part #3)
Hard
Python
arrays
games
Regroup the Linked List
Hard
Python
algorithms
classes
control_flow
Split the List into Groups of Consecutive Numbers
Hard
Python
algorithms
arrays
logic
The Wall is Built from Bricks of Random Lengths
Hard
Python
algorithms
arrays
control_flow
Closed Brackets String
Hard
Python
algorithms
data_structures
strings
Diagonal Snake from a Rectangular Matrix
Hard
Python
algorithms
arrays
loops
Large Numbers to English
Hard
Python
algorithms
arrays
strings
Function Decorator
Hard
Python
functional_programming
math
Iterative Rotation Decipher
Hard
Python
cryptography
strings
logic
Error Detection Part 1: The Hamming Checker
Hard
Python
bit_operations
logic
numbers
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