1  import random
 2  
 3  
 4  def generateBlocks(size=1):
 5      # Generates a length size unicode string that is formed from blocks
 6      charList = ['▐', '░', '▒', '▓', '▔', '▕', '▖▗',
 7                  '▘▙', '▚', '▛', '▜', '▝', '▞', '▟']
 8      ret = ""
 9      while size > 0:
10          size = size - 1
11          rand = random.randint(0, 13)
12          ret = ret + charList[rand]
13      return ret