$num1 = 545;
$str = "jopa";
$hash = {
    key1 => 'value1', 
    key2 => 'value2',
    key3 => 100500,
};
$array = [444,777,999, $hash,1000,2000,3000,5000,100000,$hash,1];
$num2=6000;

$hash2={
    key3=>'value3',
    key4=>'value4',
    key5=>          ($num1+155)*2,
    key6=>$num2,
    key7=>$hash,
    key8=>$array,
    key9=>'popa',
};

$hash3=$hash2;

$str3=$hash2->{key3};
$str4=$hash2->{key4};
$str5=$hash2->{key5};
$str6=$hash2->{key7}->{key1};
$str7=$hash2->{key7};
$str8=$hash2->{key8};
$str9=$hash2->{fuck};

$array2=[$hash,$hash2,$hash3,$array,$str];