@@ -0,0 +1,482 @@
+from Bio import SeqIO%0A%0Afrom download import fetch_file%0A%0Adef fetch_fasta_dict(download_url, filename = None, subdir = None):%0A    %22%22%22%0A    Download a remote FASTA file from %60download_url%60 and save it locally as %60filename%60.%0A    Load the file using BioPython and return an index mapping from entry keys to their sequence.%0A    %22%22%22%0A    fasta_path = fetch_file(download_url = download_url, filename = filename, decompress = True, subdir = subdir)%0A    return SeqIO.index(fasta_path, 'fasta')

move bio related functions to separate file