print function prints a string or a list of comma-separated words to the Perl filehandle STDOUT. : Print Language Basics Perl

If successful, the print function returns 1; if not, it returns 0.
The string literal n adds a newline to the end of the string. 
To interpret backslashes, Perl requires that escape sequences like n be enclosed in double quotes.
print "Hello", "world", "n";
print "Hello worldn";