text: """Trim prefix.
  
  Create string _t consisting of string _s with its prefix _p removed (if _s starts with _p).
  
  Source: programming-idioms.org
  """
  
  # Implementation author: Oldboy
  # Created on 2019-02-11T19:53:53.767084Z
  # Last modified on 2019-02-11T19:53:53.767084Z
  # Version 1
  
  t = s[s.startswith(p) and len(p) :]
  