Task B3

import re
def range_parser(s):
    data = s
    data = data.replace(', ', ',')
    data = data.split(',')
    tmp = []
    export = []
    for i in data:
        if re.match('^(\d+)-(\d+)$', i):
            tmp = i
            tmp = tmp.split('-')
            for digit in range(int(tmp[0]), int(tmp[1])+1):
                export.append(digit)
        elif re.match('^(\d+)$', i):
            tmp = int(i)
            export.append(tmp)
        elif re.match('^(\d+)-(\d+):(\d+)', i):
            tmp = i
            tmp = tmp.replace(':', '-')
            tmp = tmp.split('-')
            for digit in range(int(tmp[0]), int(tmp[1])+1, int(tmp[2])):
                export.append(digit)
    return export