from Bio import SeqIO

record = SeqIO.read("059.fasta", "fasta")

A = record.seq.count("A")
C = record.seq.count("C")
G = record.seq.count("G")
T = record.seq.count("T")

print(f"A: {A}") #A:497
print(f"C: {C}") #C:444
print(f"C: {G}") #G:585
print(f"C: {T}") #T:514

