Drill 16: Invalid input — Arrays and hashes
Describe what happens when the input is invalid.
What you will be able to do
- Describe what happens when the input is invalid.
Practice task
Describe what happens when the input is invalid.
my @lessons = ("HTML", "CSS");
my %minutes = (HTML => 12, CSS => 18);
print scalar(@lessons), " ", $minutes{CSS}, "\n";Your turn
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Describe what happens when the input is invalid.
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