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Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.

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6 kyu
Timer Decorator
802filipkonieczny
Fundamentals
Design Patterns
Object-oriented Programming
Date Time
6 kyu
Multirange iterator
208eugene-katsevman
Iterators
Fundamentals
6 kyu
matrix expanding
218nhomble
Arrays
Fundamentals
Matrix
7 kyu
Line Type Parser
1,169adamwhittingham
Strings
Parsing
Algorithms
7 kyu
Hashtaggery
830Lordnibbler
Regular Expressions
Fundamentals
Strings
Parsing
8 kyu
Hello Happy Codevarrior!
4,031ZozoFouchtra
Debugging
Object-oriented Programming
8 kyu
Broken Counter
6,478BattleRattle
Debugging
Object-oriented Programming
8 kyu
Semi-Optional
8,741boatmeme
Debugging
8 kyu
Circular Objects #1 - Running around in circles
1,637donaldsebleung
Fundamentals
Object-oriented Programming
8 kyu
Polish alphabet
9,168skibinska
Strings
Fundamentals
8 kyu
Is the date today
11,093Lindsor
Date Time
Puzzles
7 kyu
Counter of neighbor ones
1,532mlyundin
Algorithms
Fundamentals
7 kyu
Challenge: True without return
394Caders
Puzzles
Restricted
Fundamentals
7 kyu
Bouncy Numbers
525datagram
Mathematics
Fundamentals
7 kyu
Python's Dynamic Classes #1
1,596adam-tokarski
Fundamentals
Object-oriented Programming
7 kyu
Python's Dynamic Classes #2
1,063adam-tokarski
Fundamentals
Object-oriented Programming
7 kyu
Lorraine Wants to Win the TV Contest
665raulbc777
Fundamentals
Algorithms
Data Structures
7 kyu
Anything
661amrdraz
Object-oriented Programming
Fundamentals