old_contents: import array
  
  a = array.array('B', [1, 2, 3])
  print(a, len(a))
  i = array.array('I', [1, 2, 3])
  print(i, len(i))
  print(a[0])
  print(i[-1])
  
  # Empty arrays
  print(len(array.array('h')))
  print(array.array('i'))
  
  # bool operator acting on arrays
  print(bool(array.array('i')))
  print(bool(array.array('i', [1])))
  
  # bad typecode
  try:
      array.array('X')
  except ValueError:
      print("ValueError")
  
new_contents: import array
  
  a = array.array('B', [1, 2, 3])
  print(a, len(a))
  i = array.array('I', [1, 2, 3])
  print(i, len(i))
  print(a[0])
  print(i[-1])
  a = array.array('l', [-1])
  print(len(a), a[0])
  a1 = array.array('l', [1, 2, 3])
  a2 = array.array('L', [1, 2, 3])
  print(a2[1])
  print(a1 == a2)
  
  # Empty arrays
  print(len(array.array('h')))
  print(array.array('i'))
  
  # bool operator acting on arrays
  print(bool(array.array('i')))
  print(bool(array.array('i', [1])))
  
  # bad typecode
  try:
      array.array('X')
  except ValueError:
      print("ValueError")
  
subject: Add tests for "l", "L" array types to improve coverage.