Python format size application (converting B to KB, MB, GB, TB)

Question

I am trying to write an application to convert bytes to kb to mb to gb to tb. Here\'s what I have so far:

def size_format(b):
    if b < 1000:
              r         


        

Answer 1

An output with no decimal places:

>>> format_file_size(12345678)
'11 MiB, 792 KiB, 334 bytes'

format_file_size(
    def format_file_size(fsize):
        result = []
        units = {s: u for s, u in zip(reversed([2 ** n for n in range(0, 40, 10)]), ['GiB', 'MiB', 'KiB', 'bytes'])}
        for s, u in units.items():
            t = fsize // s
            if t > 0:
                result.append('{} {}'.format(t, u))
            fsize = fsize % s
        return ', '.join(result) or '0 bytes'