python - 名称错误 : name 'sizes' is not defined-PYTHON

Question

有人可以建议我解决以下错误的方法吗？

>>> from Bio import SeqIO
>>> sizes=[len(rec) for rec in SeqIO.parse("CE2Kb_2Kb_F01_2124_5.fasta", "fasta")
 len(seq), min(seq), max(seq)

>>> sizes

**Traceback (most recent call last):
  File "<pyshell#32>", line 1, in <module>
    sizes
NameError: name 'sizes' is not defined**

Answer 1

看起来你没有关闭你的列表理解......