def prac4():
    php_code = """
<?php
// 4. Write a PHP program to calculate sum of given number.

$s1 = 1000;
$s2 = 1000;
$total = $s1 + $s2;
echo " Amout1=$s1 <br/> Amount 2=$s2 <br/>";
echo " Sum of two Amount is $total";
?>
"""
    print(php_code)
