diff --git a/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/Cargo.toml b/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/Cargo.toml
new file mode 100644
index 0000000..e856b33
--- /dev/null
+++ b/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "merge_sorted_array"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/src/lib.rs b/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/src/lib.rs
new file mode 100644
index 0000000..bd905fe
--- /dev/null
+++ b/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/src/lib.rs
@@ -0,0 +1,21 @@
+pub fn merge(arr1: &mut [usize], arr2: &[usize]) {
+    let arr2_len = arr2.len();
+    let arr1_len = arr1.len() - arr2_len;
+
+    let mut arr2_iterator = 0;
+    let mut arr1_iterator = 0;
+    let temp_arr1 = arr1.to_vec();
+
+    for _ in 0..arr1_len + arr2_len {
+        if arr1_iterator == arr1_len {
+            arr1[arr1_iterator + arr2_iterator] = arr2[arr2_iterator];
+            arr2_iterator += 1;
+        } else if arr2_iterator == arr2_len || temp_arr1[arr1_iterator] <= arr2[arr2_iterator] {
+            arr1[arr1_iterator + arr2_iterator] = temp_arr1[arr1_iterator];
+            arr1_iterator += 1;
+        } else if arr2[arr2_iterator] < temp_arr1[arr1_iterator] {
+            arr1[arr1_iterator + arr2_iterator] = arr2[arr2_iterator];
+            arr2_iterator += 1;
+        }
+    }
+}
diff --git a/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/src/main.rs b/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/src/main.rs
new file mode 100644
index 0000000..545b21e
--- /dev/null
+++ b/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/src/main.rs
@@ -0,0 +1,46 @@
+use std::io::{self, Write};
+
+use merge_sorted_array::merge;
+
+fn main() {
+    let mut buffer = String::new();
+
+    print!("Insert the first set of numbers separated by a space: ");
+    io::stdout().flush().expect("Failed to flush stdout.");
+
+    io::stdin()
+        .read_line(&mut buffer)
+        .expect("Failed to read from stdin.");
+
+    let mut nums1: Vec<usize> = buffer
+        .split(' ')
+        .map(|x| x.trim())
+        .filter(|x| !x.is_empty())
+        .map(|x| x.parse().expect("A non-integer has been inserted."))
+        .collect();
+    nums1.sort();
+
+    print!("Insert the second set of numbers separated by a space: ");
+    io::stdout().flush().expect("Failed to flush stdout.");
+
+    buffer = String::new();
+
+    io::stdin()
+        .read_line(&mut buffer)
+        .expect("Failed to read from stdin.");
+
+    let mut nums2: Vec<usize> = buffer
+        .split(' ')
+        .map(|x| x.trim())
+        .filter(|x| !x.is_empty())
+        .map(|x| x.parse().expect("A non-integer has been inserted."))
+        .collect();
+    nums2.sort();
+
+    nums1.resize(nums1.len() + nums2.len(), 0);
+
+    merge(&mut nums1, &nums2);
+
+    let merged: String = nums1.into_iter().map(|x| x.to_string() + " ").collect();
+    println!("Your ordered and merged sets: {}", merged);
+}
diff --git a/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/tests/example.rs b/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/tests/example.rs
new file mode 100644
index 0000000..93698d6
--- /dev/null
+++ b/Week-01/Day-07_Merge-Sorted-Array/merge_sorted_array/tests/example.rs
@@ -0,0 +1,9 @@
+use merge_sorted_array::merge;
+
+#[test]
+fn example() {
+    let mut nums1 = [1, 2, 3, 0, 0, 0];
+    let nums2 = [2, 5, 6];
+    merge(&mut nums1, &nums2);
+    assert_eq!(nums1, [1, 2, 2, 3, 5, 6]);
+}