I wonder why the author left V and Y out of the source string? And of course, a Python equivalent: import string, random def gen_random_string(length=10):

I wonder why the author left V and Y out of the source string? And of course, a Python equivalent: import string, random def gen_random_string(length=10): chars = string.ascii_uppercase + string.digits return ''.join(random.sample(chars, length))