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..6ab3f24e 100644
--- a/labs/lab_1/lab_1a.py
+++ b/labs/lab_1/lab_1a.py
@@ -1,6 +1,8 @@
 """
 lab_1a.py
 
+robot speed = 8 #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 +10,7 @@
 def main():
     print("Hello World!")
 
-    name = "" # TODO: Insert your name between the double quotes
+    name = "Aayan Majid" # 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..70f6037b 100644
--- a/labs/lab_1/lab_1b.py
+++ b/labs/lab_1/lab_1b.py
@@ -36,6 +36,15 @@ def simple_calculator(operation: str, num1: float, num2: float) -> float:
             raise ValueError("Cannot divide by zero.")
     else:
         raise ValueError("Invalid operation. Please choose from 'add', 'subtract', 'multiply', or 'divide'.")
+    
+def sanitized_num(prompt: str) -> float:
+
+    try:
+        number = float(input(prompt))
+        return number
+    
+    except ValueError:
+        print("invalid num, try again.")
 
 def main():