text: """Concatenate two lists.
  
  Create list _ab containing all the elements of list _a, followed by all elements of list _b.
  
  Source: programming-idioms.org
  """
  
  # Implementation author: bukzor
  # Created on 2018-04-08T06:59:30.796888Z
  # Last modified on 2018-04-08T06:59:30.796888Z
  # Version 1
  
  ab = a + b
  