def main():
  if 1 > len(sys.argv):
    data = open(sys.argv[1]).read().splitlines()
  else:
    data = sys.stdin.read().splitlines()
  # Split up the double braces.
  lines = split_double_braces(data)

  # Indent and print the output.
  prettyprint_input(lines)
  return 0
dataset/ETHPy150Open adblockplus/gyp/tools/pretty_gyp.py/main/swapped operands of `>`