input: from typing import List
  
  
  def select_by_start(strings: List[str], start: str) -> List[str]:
      """ Select strings from a list that begin with a specified start string.
      >>> select_by_start([], 'a')
      []
      >>> select_by_start(['abc', 'bcd', 'cde', 'array'], 'a')
      ['abc', 'array']
      """
output:     return [s for s in strings if s.startswith(start)]