another kata

Simple Fun 176 Reverse Letter/main.cpp

@@ -0,0 +1,18 @@
+#include <string>
+#include <iostream>
+
+std::string reverse_letter(const std::string &str)
+{
+    std::string alphabet ("abcdefghijklmnopqrstuvwxyz");
+    std::string result ("");
+    for (int i = str.length() - 1; i >= 0; i--){
+        if (alphabet.find(str[i]) != std::string::npos){
+            result.push_back(str[i]);
+        }
+    }
+    return result;
+}
+
+int main(){
+    std::cout << reverse_letter("Ba3rti1bo0y!");
+}