Recipe 439357 revision 2

def group(n, sep = ','):
    s = str(abs(n))[::-1]
    groups = []
    i = 0
    while i < len(s):
        groups.append(s[i:i+3])
        i+=3
    retval = sep.join(groups)[::-1]
    if n < 0:
        return '-%s' % retval
    else:
        return retval

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• revision 2 (18 years ago)
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