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2,500 Python challenges
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Connecting Words
Hard
Python
strings
higher_order_functions
loops
Bacterial Growth
Hard
Python
loops
math
logic
Innokodakademija's Encryption Scheme
Hard
Python
cryptography
strings
validation
Recursion: First Recurrence Index
Hard
Python
recursion
objects
algorithms
Salt Water
Hard
Python
algebra
loops
Recursion: Flatten the Curves
Hard
Python
recursion
arrays
The Most Overlapped Block of the Grid
Hard
Python
algorithms
arrays
Word Chain 2.0
Hard
Python
arrays
strings
validation
Eat Chocolates
Hard
Python
logic
regex
strings
Give Steps to Sort a List
Hard
Python
algorithms
arrays
sorting
Next Largest Number
Hard
Python
numbers
sorting
Building a Binary Clock
Hard
Python
arrays
strings
nPr and nCr
Hard
Python
numbers
math
algebra
Conway's Game of Life
Hard
Python
arrays
games
loops
Point Within Triangle
Hard
Python
algebra
math
validation
Pokémon Specials Contest
Hard
Python
games
loops
math
Almost Uniform Sequence
Hard
Python
arrays
conditions
loops
Crack the Pin Code
Hard
Python
algorithms
games
numbers
Next in the Alphabet
Hard
Python
strings
loops
Look-and-Say Sequence
Hard
Python
numbers
strings
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