Coding&other homework

From Biolecture.org

1. 2 global sequence alignment

I used needleman-wutsch algorithm. The following code is like this. 

my code1

2.Multiple sequence alignment

MSA code 1

3. Random sequence production

randomseq code 1

4. open fasta file and show it and then change the sequence's name to "Genomics is great!" and then change it.

fasta code