import os  def get_size(start_path = '.'):     total_size = 0     for dirpath, dirnames, filenames in os.walk(start_path):         for f in filenames:             fp = os.path.join(dirpath, f)             # skip if it is symbolic link             if not os.path.islink(fp):                 total_size += os.path.getsize(fp)      return total_size  print(get_size(), 'bytes')

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