perlquestion truthseeker66 Dear Monks, 1. '$first' and '$second' are 2 different variables. Why is '$_[0] . $_[1]' used instead of '$_[0] . $_[0]' to combine two strings? Doesn't the first '$_' for '$first' and the second '$_' for '$second'? 2. In this code " . $_[0] . $_[1] . "\n"; I understand why there are two dots. But I don't understand why the third dot is there. Thank you, <code> #!/usr/bin/perl #prompt user for two strings. Remove newline and #store into variables print "\nEnter the first string: "; chomp($first = <STDIN>); print "\nEnter the second string: "; chomp($second = <STDIN>); sub combine{ print "\nThe combined strings are: " . $_[0] . $_[1] . "\n"; } &combine($first,$second); </code> C:\JPARK\JPERL>sub-ex.pl Enter the first string: I go Enter the second string: to school. The combined strings are: I go to school.