$fname = "john";
$lname = "doe";
$ctry = "canada";
my $req = HTTP::Request->new(GET => 'https://www.google.com/?firstname=$fname&lastname=$lname&country=$ctry')

##</code><code>##

my $req = HTTP::Request->new(GET => 'https://www.google.com/?firstname=john&lastname=deo&country=canada')