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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
Fold an array
11,082user5036852
Fundamentals
Logic
Mathematics
Algorithms
6 kyu
The Supermarket Queue
51,864mattlub
Arrays
Fundamentals
6 kyu
Evil Autocorrect Prank
5,131yaphi1
Strings
Regular Expressions
Algorithms
6 kyu
Fun with lists: map
1,653janitormeir
Lists
Functional Programming
Fundamentals
6 kyu
English beggars
9,134GiacomoSorbi
Queues
Arrays
Lists
Recursion
Fundamentals
6 kyu
Fun with trees: max sum
4,280janitormeir
Trees
Recursion
Binary Trees
Binary Search Trees
Data Structures
Algorithms
6 kyu
Who won the election?
3,487SithFire
Algorithms
Lists
Fundamentals
6 kyu
Fun with lists: filter
1,132janitormeir
Lists
Functional Programming
Fundamentals
6 kyu
Fun with lists: reduce
1,071janitormeir
Lists
Functional Programming
Fundamentals
6 kyu
Equal Sides Of An Array
126,908Shivo
Algorithms
Arrays
Fundamentals
6 kyu
Find The Parity Outlier
215,892obnounce
Algorithms
6 kyu
Write Number in Expanded Form
80,499Belax8
Strings
Mathematics
Algorithms
Fundamentals
6 kyu
Which are in?
79,986g964
Arrays
Lists
Strings
Refactoring
Retired
Checking Groups (retired)
7,129JS01
Algorithms
Data Structures
Strings
Data Types