https://repl.it/ChPc/0 created by tracypholmes

ChPc-0.rb

puts "What code would you like to decrypt?"
string = gets.chomp

puts "Hi! I will solve " + string + " for you."

#0T2abr1za0c2aby
#0h2abe1zy

decode = string.split(/[0-9]/)
#puts decode

secret = decode.map { |i| i[-1]}.join

puts "Your code word is '" + secret + "' !"

ChPc-0_console_dump.txt

ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-linux]
>>> What code would you like to decrypt?
 0T2abr1za0c2aby
Hi! I will solve 0T2abr1za0c2aby for you.

T
abr
za
c
aby
Your code word is 'Tracy' !
=> nil

submitted_decode.rb

def decode(string)
  string.split(/\d/).map{ |i| i[-1] }.join
end
 
# 0T2abr1za0c2aby
# 0h2abe1zy