Check out example codes for "perl hash size". It will help you in understanding the concepts better.
Code Example 1
# Perl # syntax keys %<hash-name> # example my %weekly_temperature = ( monday => 65, tuesday => 68, wednesday => 71, thursday => 53, friday => 60, ); my $size = keys %weekly_temperature; print "Size of hash:" . $size; #[OUTPUT-->Size of hash:5]
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