soundmasterj

  with open("orthocoronavirinae.fasta") as f:
      text = ''.join((line.rstrip() for line in f.readlines() if not line.startswith('>')))
      gc = text.count('G') + text.count('C')
      total = len(text)

  gc = 0
  total = 0
  
  with open("orthocoronavirinae.fasta") as f:
      for line in f.readlines():
          if not line.startswith('>'):
              line = line.rstrip()
              gc += line.count('C') + line.count('G')
              total += len(line)