new_contents: # Timing string concatenation vs list appending to make a string
  
  import time
  
  startTime = time.time()
  for trial in range(10000):
      building = ''
      for i in range(10000):
          building += 'x'
  print('String concatenation: ', (time.time() - startTime))
  
  startTime = time.time()
  for trial in range(10000):
      building = []
      for i in range(10000):
          building.append('x')
      building = ''.join(building)
  print('List appending:       ', (time.time() - startTime))
  
subject: Initialize stringTest