>>> def f(seq):
... m1 = m2 = None
... for i in seq:
... if m2 is None:
... m2 = i
... elif m1 is None:
... if i > m2:
... m1, m2 = m2, i
... else:
... m1 = i
... elif i > m2:
... m1, m2 = m2, i
... elif i > m1:
... m1 = i
... return (m1, m2)
...
>>> a = [1, 2, 39, 4, 13, 4, 5, 6, 7, 3, 23, 2]
>>>
>>> f(a)
(23, 39)
>>>
<form action="куда направить скрипт" method="post или get">
<input type="text" name="" value="" placeholder="Поиск по сайту...">
<input type="button" name="" value="Найти">
</form>
<form method="get" action="httt://site.ru/">
<input type="text" name="searchid" value="0000000">
<input type="text" name="text" value="hello">
<input type="text" name="web" value="0">
<input type="submit" value="Отправить">
</form>
font-family: Arial, 'Helvetica Neue', sans-serif;
и не парьтесь.