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2,500 Python challenges
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Cartesian Matrix
Hard
Python
arrays
loops
Cuban Prime
Hard
Python
math
language_fundamentals
Find Highest Occurrence
Hard
Python
arrays
numbers
strings
ABACABA Pattern
Hard
Python
recursion
geometry
Building up a Word
Hard
Python
strings
validation
arrays
Heroes vs. Monsters: a Role Playing Game Battle System
Hard
Python
games
conditions
logic
YouTube Video ID Extractor
Hard
Python
regex
strings
Tic-Tac-Toe
Hard
Python
arrays
games
validation
Employee Class with Keywords
Hard
Python
classes
loops
The Secret Bases of Words
Hard
Python
numbers
strings
formatting
Recursion: Pronic Number
Hard
Python
recursion
numbers
math
RegEx swapcase()
Hard
Python
regex
strings
Minimum and Maximum Value in BST
Hard
Python
data_structures
arrays
language_fundamentals
Create a Stair
Hard
Python
formatting
strings
RegEx XX: Capturing Groups
Hard
Python
regex
formatting
Does the Triangle Fit into the Triangular Hole?
Hard
Python
conditions
validation
arrays
Tic Tac Toe
Hard
Python
validation
arrays
games
Splitting Objects Inside a List
Hard
Python
arrays
objects
loops
Image Manipulation: 255 Shades of Grey (Part 2)
Hard
Python
algorithms
arrays
logic
Recursive Digit
Hard
Python
recursion
math
numbers
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