lines = [
    'Earlier lines all omitted here',
    'Junk line',
    '<begin step data>',
    '2001-01-10:218,37,356,621,466,319,147,774,231,167,399,150,417,34,3',
    '2001-01-04:639,118,328,413,222,491,738,389,11,372,183,650,281,643,26,398,685,171',
    '<end step data>',
    'more junk',
    'and still more',
]
person = make_person(1294919, 'Russell', 97.00, 1.90, 24)
process_steps(person, lines, 2)
print_person(person)