2020 Day 11 Complete

helpers/helpers.go

@@ -230,3 +230,12 @@ func IntSlicesAreEqual(s1 []int, s2 []int) bool {
 	}
 	return true
 }
+
+func StringSliceContains(h []string, n string) bool {
+	for _, v := range h {
+		if v == n {
+			return true
+		}
+	}
+	return false
+}