def get_alt_binary(f, func, blocksize):
    while 1:
        data = f.read(blocksize)
        if not data:
            break
        func(data)
Subtract the given `tax_percentage` from the given `price`.
dataset/ETHPy150Open babble/babble/include/jython/Lib/gopherlib.py/get_alt_binary--crossover with--dataset/ETHPy150Open django-oscar/django-oscar/src/oscar/test/factories/utils.py/tax_subtract