#10. 写程序 `reverseComplementary.py`计算序列 `ACGTACGTACGTCACGTCAGCTAGAC`的反向互补序列
使用python
非常简单,只要用replace就行
#输入序列
DNA_sequence = "ACGTACGTACGTCACGTCAGCTAGAC"
#一开始用了笨办法
reverse_seq=DNA_sequence.replace("A","T")
reverse_seq = DNA_sequence.replace("T","A")
reverse_seq = DNA_sequence.replace("C","G")
reverse_seq = DNA_sequence.replace("G","C")
reverse_seq
用笨办法是可以做,但是好多行看着头大
DNA_sequence = "ACGTACGTACGTCACGTCAGCTAGAC"
reverse_seq = DNA_sequence.replace("A","T").replace("T","A").replace("C","G").replace("G","C")
reverse_seq
没想到replace虽然一次只能替换一个字符,但是可以叠加,好看了很多
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