Add solution for Challenges by betosmith2000 (#235)

* Add solution for Challenge 1 by betosmith2000

* Add solution for Challenge 2 by betosmith2000

Author: betosmith2000

challenge-1/submissions/betosmith2000/solution-template.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	var a, b int
+	// Read two integers from standard input
+	_, err := fmt.Scanf("%d, %d", &a, &b)
+	if err != nil {
+		fmt.Println("Error reading input:", err)
+		return
+	}
+
+	// Call the Sum function and print the result
+	result := Sum(a, b)
+	fmt.Println(result)
+}
+
+// Sum returns the sum of a and b.
+func Sum(a, b int) int {
+	return a + b;
+}

challenge-2/submissions/betosmith2000/solution-template.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+func main() {
+	// Read input from standard input
+	scanner := bufio.NewScanner(os.Stdin)
+	if scanner.Scan() {
+		input := scanner.Text()
+
+		// Call the ReverseString function
+		output := ReverseString(input)
+
+		// Print the result
+		fmt.Println(output)
+	}
+}
+
+// ReverseString returns the reversed string of s.
+func ReverseString(s string) string {
+    runes := []rune(s)
+    t := len(runes)
+	
+	for i:= 0; i < t/2; i++  {
+	    runes[i], runes[t-1-i] = runes[t-1-i], runes[i]
+	}
+	return string(runes)
+}