diff --git a/.github/workflows/run_test.yml b/.github/workflows/run_test.yml
new file mode 100644
index 00000000..c45bcbfc
--- /dev/null
+++ b/.github/workflows/run_test.yml
@@ -0,0 +1,32 @@
+name: simple_calculator unit test
+  
+on: [push]  
+  
+jobs:  
+  build:  
+    runs-on: ubuntu-latest  
+    strategy:  
+      matrix:  
+        python-version: ["3.10"]  
+  
+    steps:  
+      - uses: actions/checkout@v3  
+      - name: Set up Python ${{ matrix.python-version }}  
+        uses: actions/setup-python@v4  
+        with:  
+          python-version: ${{ matrix.python-version }}  
+      - name: Install dependencies  
+        run: |  
+          python -m pip install --upgrade pip  
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi  
+      - name: Lint with Ruff  
+        run: |  
+          pip install ruff  
+          ruff --format=github --target-version=py310 .  
+        continue-on-error: true  
+      - name: Test with pytest  
+        run: |  
+          coverage run -m pytest tests/tests_1b.py -v -s  
+      - name: Generate Coverage Report  
+        run: |  
+          coverage report -m
\ No newline at end of file
diff --git a/labs/lab_1/lab_1a.py b/labs/lab_1/lab_1a.py
index 9d15ec83..e203c824 100644
--- a/labs/lab_1/lab_1a.py
+++ b/labs/lab_1/lab_1a.py
@@ -1,6 +1,6 @@
 """
 lab_1a.py
-
+This is to simulate a change made on a robot: robot_speed = 5 # m/s
 The first lab in the BWSI CSS course. To complete this lab, fill out the variable on line 10
 with your name. Then, save the code, add it to the staging area, and commit it to the Git tree.
 """
@@ -8,7 +8,7 @@
 def main():
     print("Hello World!")
 
-    name = "" # TODO: Insert your name between the double quotes
+    name = "Nidhi Sreekanth" # TODO: Insert your name between the double quotes
 
     print(f"{name}, Welcome to the CSS course!")
 
diff --git a/labs/lab_1/lab_1b.py b/labs/lab_1/lab_1b.py
index e58dd957..30f531ad 100644
--- a/labs/lab_1/lab_1b.py
+++ b/labs/lab_1/lab_1b.py
@@ -41,10 +41,16 @@ def main():
     
     print(f"===== Simple Calculator =====")
 
-    # Ask the user for sample input    
-    num1 = float(input("Enter the first number: "))
-    num2 = float(input("Enter the second number: "))
-    operation = input("Enter the operation (add, subtract, multiply, divide): ").strip().lower()
+    while True:
+        num1 = input("Enter the first number: ")
+        num2 = input("Enter the second number: ")
+        if num1.isdigit() and num2.isdigit():
+            num1 = int(num1)
+            num2 = int(num2)
+            operation = input("Enter the operation (add, subtract, multiply, divide): ").strip().lower()
+            break
+        else:
+            print("Input is not a number.")
 
     # Perform the calculation and display the result
     result = simple_calculator(operation, num1, num2)