Solutions of Week 321 by @ash in Raku

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diff --git a/challenge-321/ash/raku/ch-1.raku b/challenge-321/ash/raku/ch-1.raku
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+# Task 1 of the Weekly Challenge 321
+# https://theweeklychallenge.org/blog/perl-weekly-challenge-321/#TASK1
+
+my @nums = 1, 2, 4, 3, 5, 6; # 1
+# my @nums = 0, 2, 4, 8, 3, 5; # 2
+# my @nums = 7, 3, 1, 0, 5, 9; # 2
+
+my @avg = gather {
+    while (@nums) {
+        my $min = @nums.min;
+        my $max = @nums.max;
+
+        my $avg = ($min + $max) / 2;
+        take $avg;
+
+        @nums.=grep: * ∉ (@nums.min, @nums.max);
+    }
+}
+
+say @avg.unique.elems;
diff --git a/challenge-321/ash/raku/ch-2.raku b/challenge-321/ash/raku/ch-2.raku
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+# Task 2 of the Weekly Challenge 321
+# https://theweeklychallenge.org/blog/perl-weekly-challenge-321/#TASK2
+
+my $str1 = 'ab#c';
+my $str2 = 'ad#c'; # True
+
+# my $str1 = 'ab##';
+# my $str2 = 'a#b#'; # True
+
+# my $str1 = 'a#b';
+# my $str2 = 'c'; # False
+
+say process($str1) eq process($str2);
+
+sub process($s is copy) {
+    $s ~~ s/.\#// while $s ~~ /.\#/;
+
+    return $s;
+}
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