我试图从选项卡中获取列的唯一值。这些值是重复的,文件有1000多行,我只想知道这些值的名称,不是所有的,还有那些重复的。我正在编写代码,但当我“运行”时,它会生成值的单独和随机字母(参见下面“输出”中的示例)。我希望有人能帮我找到我的错误。请,非常感谢
代码:
# Open file
file = open('SGD_features.tab')
# Demonstrate the use of a data structure to represent all unique feature types (column 2).
# Iterate for just one iteration
for line in file:
# Get rid of new lines at the end.
line = line.strip()
# File is tab-delimited.
elems = line.split("\t")
features = elems[1]
unique_list = str(set(features))
print(unique_list)
输出:
{'O', 'F', 'R'}
{'S', 'C', 'D'}
{'O', 'F', 'R'}
{'S', 'C', 'D'}
{'S', 'A', 'R'}
{'e', 'l', 'o', 'm', 'r', 't'}
{'e', 'l', 'i', 'p', 'a', 'o', 'm', 'r', '_', 't', 'c'}
{'X', 'e', 'l', 'm', '_', 't', 'n'}
{'X', 'e', 'b', 'l', 'i', 'p', 'a', 'o', 'm', 'r', '_', 't', 'c', 'n'}
{'O', 'F', 'R'}
{'S', 'C', 'D'}
{'O', 'F', 'R'}
{'S', 'C', 'D'}
等等
期望输出:
ORF
CDS
ARS
telomere
telomeric_repeat
X_element
X_element_combinatorial_repeat
档案
S000036595 noncoding_exon snR18 1 142367 142468 W 2011-02-03 2000-05-19|2007-05-08
S000000002 ORF Verified YAL002W VPS8 CORVET complex membrane-binding subunit VPS8|VPL8|VPT8|FUN15 chromosome 1 L000003013 1 143707 147531 W 2011-02-03 2004-01-14|1996-07-31 Membrane-binding component of the CORVET complex; involved in endosomal vesicle tethering and fusion in the endosome to vacuole protein targeting pathway; interacts with Vps21p; contains RING finger motif
S000031737 CDS YAL002W 1 143707 147531 W 2011-02-03 2004-01-14|1996-07-31
S000121255 ARS ARS108 ARSI-147 chromosome 1 1 147398 147717 2014-11-18 2014-11-18|2007-03-07 Autonomously Replicating Sequence
S000000001 ORF Verified YAL001C TFC3 transcription factor TFIIIC subunit TFC3|tau 138|TSV115|FUN24 chromosome 1 L000000641|L000002287 1 151166 147594 C -1 2011-02-03 1996-07-31 Subunit of RNA polymerase III transcription initiation factor complex; part of the TauB domain of TFIIIC that binds DNA at the BoxB promoter sites of tRNA and similar genes; cooperates with Tfc6p in DNA binding; largest of six subunits of the RNA polymerase III transcription initiation factor complex (TFIIIC)
S000030735 CDS YAL001C 1 151006 147594 C 2011-02-03 1996-07-31
S000030734 CDS YAL001C 1 151166 151097 C 2011-02-03 1996-07-31
S000030736 intron YAL001C 1 151096 151007 C 2011-02-03 1996-07-31
如果顺序不重要,您可以通过从文件中第2列的行中创建
set
来实现:features
只是文件一行中的一个字符串,而不是该列中的所有字符串将每个单词添加到循环中的
unique_list
集,并在末尾打印该集请尝试以下操作:
替换您的代码行:
以下是:
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