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2,500 Python challenges
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Seven Ate Nine
Hard
Python
arrays
math
logic
Is the Die Loaded
Hard
Python
math
numbers
validation
Sort by Frequency
Hard
Python
sorting
numbers
Building a Staircase
Hard
Python
formatting
strings
arrays
Maximum Occurrence
Hard
Python
algorithms
arrays
logic
Password Validation
Hard
Python
validation
conditions
regex
Uban Numbers
Hard
Python
math
numbers
strings
Amount of Fibonacci Numbers
Hard
Python
algebra
algorithms
math
Combined Vector Sequence
Hard
Python
arrays
logic
validation
Programming Polyglot
Hard
Python
numbers
arrays
bit_operations
Zipping Up a List
Hard
Python
arrays
control_flow
How Many Boxes?
Hard
Python
arrays
math
Squaring the Circle
Hard
Python
math
algebra
geometry
Break Point
Hard
Python
arrays
loops
validation
Check Password Hash
Hard
Python
cryptography
arrays
conditions
Lemonade Stand
Hard
Python
logic
math
numbers
String to Phone Number
Hard
Python
arrays
strings
numbers
Validating a Set in the Set Game
Hard
Python
objects
games
validation
Maze Escape
Hard
Python
games
arrays
logic
Series and Parallel Resistor Calculator
Hard
Python
arrays
numbers
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