Format genbank sequence

format_genbank.py

def format_sequence(sequence: str):
    """Format a DNA sequence as genbank file"""
    counter = 1
    print(f"{counter}".rjust(4, " "), end=" ")
    for a,b in zip(range(0,len(sequence)+1, 10), range(10, len(sequence)+1, 10)):
        print(sequence[a:b], end="")
        if ((counter % 6) == 0) and (b < (len(sequence)-1)):
            print("")
            print(f'{((counter*10) + 1)}'.rjust(4, " "), end=" ")
        else:
            print(" ", end="")
    
        counter += 1