2 files changed, 42 insertions, 0 deletions
diff --git a/challenge-273/wambash/raku/ch-1.raku b/challenge-273/wambash/raku/ch-1.raku
new file mode 100644
index 0000000000..ed86f71bba
--- /dev/null
+++ b/challenge-273/wambash/raku/ch-1.raku
@@ -0,0 +1,24 @@
+#!/usr/bin/env raku
+
+sub  percentage-of-character ($str,:$char) {
+    $str.comb
+    andthen .Bag
+    andthen .{$char}/.total
+    andthen 100 * $_
+    andthen .round
+}
+
+multi MAIN (Bool :test($)!) {
+    use Test;
+    is  percentage-of-character('perl',:char<e>), 25;
+    is  percentage-of-character('java',:char<a>), 50;
+    is  percentage-of-character('python',:char<m>), 0;
+    is  percentage-of-character('ada',:char<a>), 67;
+    is  percentage-of-character('ballerina',:char<l>), 22;
+    is  percentage-of-character('analitik',:char<k>), 13;
+    done-testing;
+}
+
+multi MAIN ($str,:$char) {
+    say  percentage-of-character $str,:$char
+}
diff --git a/challenge-273/wambash/raku/ch-2.raku b/challenge-273/wambash/raku/ch-2.raku
new file mode 100644
index 0000000000..13d15317a5
--- /dev/null
+++ b/challenge-273/wambash/raku/ch-2.raku
@@ -0,0 +1,18 @@
+#!/usr/bin/env raku
+
+sub B-after-A ($str) {
+    $str.contains: /^ a* b+ $/
+}
+
+multi MAIN (Bool :test($)!) {
+    use Test;
+    is B-after-A('aabb'),True;
+    is B-after-A('abab'),False;
+    is B-after-A('aaa'),False;
+    is B-after-A('bbb'),True;
+    done-testing;
+}
+
+multi MAIN ($str) {
+    say B-after-A $str
+}