perl中散列哈希的问题

#!/usr/bin/perl

# 创建一个散列哈希
my %hash = (
    "name" => "Perl",
    "version" => "5.32.1",
    "author" => "Larry Wall"
);

# 插入一个键值对
$hash{"website"} = "https://www.perl.org/";

# 删除一个键值对
delete $hash{"author"};

# 查找一个键对应的值
my $version = $hash{"version"};
print "Perl version: $version\n";

# 遍历散列哈希中的所有键值对
foreach my $key (keys %hash) {
    my $value = $hash{$key};
    print "$key: $value\n";
}