new_contents: #!/usr/local/bin/python3
  
  
  puzzle_input = 'vzbxkghb'
  
  
  def validate_password(password):
      pass
  
  
  def test_validate_password():
      assert not validate_password('hijklmmn')
      assert not validate_password('abbceffg')
      assert not validate_password('abbcegjk')
  
subject: Add Day 11 python file