diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
new file mode 100644
index 000000000..ca647e11d
--- /dev/null
+++ b/CODE_OF_CONDUCT.md
@@ -0,0 +1,9 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+We as members, contributors, and leaders pledge to make participation in our community a harassment-free experience for everyone...
+
+[You can use the full standard template here: https://www.contributor-covenant.org/version/2/0/code_of_conduct/]
+
+
diff --git a/CONTRIBUTING.md. b/CONTRIBUTING.md.
new file mode 100644
index 000000000..c13ef6845
--- /dev/null
+++ b/CONTRIBUTING.md.
@@ -0,0 +1,10 @@
+# Contributing Guidelines
+
+Thank you for considering contributing to this project!
+
+- Fork the repository.
+- Create a new branch for your changes.
+- Commit your changes with clear messages.
+- Push to your fork and open a pull request.
+
+Please follow the [code of conduct](CODE_OF_CONDUCT.md).
diff --git a/index.html b/index.html
index 8a580ffb3..f8d0bb19a 100644
--- a/index.html
+++ b/index.html
@@ -14,3 +14,4 @@ <h1>Simple Interest Calculator</h1>
         <button onclick="compute()">Compute</button>
     </body>
 </html>
+<!-- This is a test comment for assignment -->
diff --git a/simple-interest.sh b/simple-interest.sh
new file mode 100644
index 000000000..b0d20643a
--- /dev/null
+++ b/simple-interest.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+# Simple Interest Calculator
+
+echo "Enter Principal amount:"
+read principal
+echo "Enter Rate of interest:"
+read rate
+echo "Enter Time (in years):"
+read time
+
+# Calculate Simple Interest
+si=$(echo "scale=2; ($principal * $rate * $time) / 100" | bc)
+
+echo "Simple Interest is: $si"
+#!/bin/bash
+# Simple Interest Calculator
+
+echo "Enter Principal amount:"
+read principal
+echo "Enter Rate of interest:"
+read rate
+echo "Enter Time (in years):"
+read time
+
+# Calculate Simple Interest
+si=$(echo "scale=2; ($principal * $rate * $time) / 100" | bc)
+
+echo "Simple Interest is: $si"