001、方法1
root@PC1:/home/test# ls a.fasta test.py root@PC1:/home/test# cat a.fasta ## 测试fasta文件 >Rosalind_6404 CCTGCGGAAGATCGGCACTAGAATAGCCAGAACCGTTTCTCTGAGGCTTCCGGCCTTCCC TCCCACTAATAATTCTGAGG >Rosalind_5959 CCATCGGTAGCGCATCCTTAGTCCAATTAAGTCCCTATCCAGGCGCTCCGCCGAAGGTCT ATATCCATTTGTCAGCAGACACGC >Rosalind_0808 CCACCCTCGTGGTATGGCTAGGCATTCAGGAACCGGAGAACGCTTCAGACCAGCCCGGAC TGGGAACCTGCGGGCAGTAGGTGGAAT root@PC1:/home/test# cat test.py ## 测试程序 #!/usr/bin/python in_file = open("a.fasta", "r") out_file = open("result.txt", "w") dict1 = {} dict2 = {} for i in in_file: i = i.strip() if i.startswith(">"): key = i.split(">")[1] dict1[key] = [] else: dict1[key].append(i) for i,j in dict1.items(): j = "".join(j).upper() dict2[i] = (j.count("C") + j.count("G"))/len(j) result = max(dict2.items(), key = lambda x: x[1]) print(result[0] + "\n" + str(result[1]), file = out_file, end = "\n") in_file.close() out_file.close() root@PC1:/home/test# python test.py ## 运行程序 root@PC1:/home/test# ls a.fasta result.txt test.py root@PC1:/home/test# cat result.txt ## 运行结果 Rosalind_0808 0.6091954022988506
标签:scafflod,PC1,含量,GC,result,file,test,home,root From: https://www.cnblogs.com/liujiaxin2018/p/16597481.html