diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 50e5f0e..86d8ac2 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -8,6 +8,7 @@ Every name is sorted in alphabetically.
 - [danhenriquesc](https://github.com/danhenriquesc)
 - [hundredrab](https://github.com/hundredrab)
 - [jackey8616](https://github.com/jackey8616)
+- [mateusguerra](https://github.com/mateusguerra)
 - [mirianashvili](https://github.com/mirianashvili)
 - [Obsinqsob01](https://github.com/Obsinqsob01)
 - [PyPatel](https://github.com/PyPatel)
diff --git a/README.md b/README.md
index 13dd444..dacdf77 100644
--- a/README.md
+++ b/README.md
@@ -125,7 +125,7 @@ https://www.hackerrank.com/contests/code-and-the-curious/challenges
 | Alternating Characters | ✓ | | |
 | String Construction | | | ✓ |
 | Ashton and String | | ✓ | |
-| Two Strings |  | | ✓ |
+| Two Strings | ✓ | | ✓ |
 
 **Sorting**
 
diff --git a/algorithms/strings/two_strings.py b/algorithms/strings/two_strings.py
new file mode 100644
index 0000000..68e50c0
--- /dev/null
+++ b/algorithms/strings/two_strings.py
@@ -0,0 +1,27 @@
+#!/bin/python3
+
+import os
+
+# Complete the twoStrings function below.
+def twoStrings(s1, s2):
+    intersection = set(s1) & set(s2)
+    if len(intersection) > 0:
+        return "YES"
+    return "NO"
+    
+    
+if __name__ == '__main__':
+    fptr = open(os.environ['OUTPUT_PATH'], 'w')
+
+    q = int(input())
+
+    for q_itr in range(q):
+        s1 = input()
+
+        s2 = input()
+
+        result = twoStrings(s1, s2)
+
+        fptr.write(result + '\n')
+
+    fptr.close()
diff --git a/data_structures/arrays/left_rotation.go b/data_structures/arrays/left_rotation.go
new file mode 100644
index 0000000..cbde381
--- /dev/null
+++ b/data_structures/arrays/left_rotation.go
@@ -0,0 +1,76 @@
+package main
+
+import (
+    "bufio"
+    "fmt"
+    "io"
+    "os"
+    "strconv"
+    "strings"
+)
+
+// Complete the rotLeft function below.
+func rotLeft(a []int32, d int32) []int32 {
+    return append(a[d:], a[:d]...)
+}
+
+func main() {
+    reader := bufio.NewReaderSize(os.Stdin, 1024 * 1024)
+
+    stdout, err := os.Create(os.Getenv("OUTPUT_PATH"))
+    checkError(err)
+
+    defer stdout.Close()
+
+    writer := bufio.NewWriterSize(stdout, 1024 * 1024)
+
+    nd := strings.Split(readLine(reader), " ")
+
+    nTemp, err := strconv.ParseInt(nd[0], 10, 64)
+    checkError(err)
+    n := int32(nTemp)
+
+    dTemp, err := strconv.ParseInt(nd[1], 10, 64)
+    checkError(err)
+    d := int32(dTemp)
+
+    aTemp := strings.Split(readLine(reader), " ")
+
+    var a []int32
+
+    for i := 0; i < int(n); i++ {
+        aItemTemp, err := strconv.ParseInt(aTemp[i], 10, 64)
+        checkError(err)
+        aItem := int32(aItemTemp)
+        a = append(a, aItem)
+    }
+
+    result := rotLeft(a, d)
+
+    for i, resultItem := range result {
+        fmt.Fprintf(writer, "%d", resultItem)
+
+        if i != len(result) - 1 {
+            fmt.Fprintf(writer, " ")
+        }
+    }
+
+    fmt.Fprintf(writer, "\n")
+
+    writer.Flush()
+}
+
+func readLine(reader *bufio.Reader) string {
+    str, _, err := reader.ReadLine()
+    if err == io.EOF {
+        return ""
+    }
+
+    return strings.TrimRight(string(str), "\r\n")
+}
+
+func checkError(err error) {
+    if err != nil {
+        panic(err)
+    }
+}