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2,500 Python challenges
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Narcissistic Numbers
Hard
Python
numbers
language_fundamentals
validation
What's the Data Type?
Hard
Python
validation
language_fundamentals
Character Code Math
Hard
Python
algorithms
language_fundamentals
math
Ranged Reversal
Hard
Python
arrays
language_fundamentals
Fix the Code: Un-Mutating a List
Hard
Python
bugs
scope
loops
Check if a Number is Prime
Hard
Python
math
validation
Double Factorial
Hard
Python
recursion
numbers
Number of Apples Left
Hard
Python
language_fundamentals
math
Sine, Cosine and Tangent
Hard
Python
algebra
math
numbers
RegEx II: Line Anchors
Hard
Python
formatting
regex
arrays
Partially Hidden String
Hard
Python
arrays
strings
formatting
Malthusian Catastrophe
Hard
Python
conditions
dates
math
Superheroes
Hard
Python
arrays
regex
Capitalize the First Letter of Each Word
Hard
Python
formatting
strings
loops
Finding Nemo
Hard
Python
arrays
formatting
strings
N-Sized Parts
Hard
Python
strings
arrays
XOR Swap Algorithm
Hard
Python
bit_operations
language_fundamentals
Recursion: Fibonacci Numbers
Hard
Python
numbers
recursion
Days in a Month
Hard
Python
conditions
dates
Puzzle Pieces
Hard
Python
arrays
higher_order_functions
validation
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