Challenge 1
Convert 'Zero' and 'One' to '1' and '0'
Challenge 2
Instances of the Fibonacci Sequence
Challenge 3
Seven Boom!
Challenge 4
Tower of Hanoi
Challenge 5
Number of Boomerangs
Challenge 6
Consecutive Sum Check
Challenge 7
Oddish vs Evenish
Challenge 8
Up the Hill, Down the Hill
Challenge 9
Burglary Series (12): Get Vodka Bottle
Challenge 10
Function Times 3
Challenge 11
Numbers in strings
Challenge 12
Combinations
Challenge 13
Positive Dominant
Challenge 14
The Fiscal code
Challenge 15
Caesar's cipher
Challenge 16
Tap code translation
Challenge 17
Edabit's Encryption Scheme
Challenge 18
Frequency by Level of Nesting
Challenge 19
Quad Sequence