What Do We Mean by Default Behavior? (1)

[Live demo]

• p5-01.pl - A typical Perl 5 program. What is its behavior?

• p5-02.pl - Another typical Perl 5 program. What happens when we run it?

• p7-01.pl - A typical Perl 7 program. What is its behavior?

• p7-02.pl - Another typical Perl 7 program. What happens when we run it?

continued...