diff --git a/labs/lab_1/lab_1a.py b/labs/lab_1/lab_1a.py
index 9d15ec83..b14dd445 100644
--- a/labs/lab_1/lab_1a.py
+++ b/labs/lab_1/lab_1a.py
@@ -8,9 +8,13 @@
 def main():
     print("Hello World!")
 
-    name = "" # TODO: Insert your name between the double quotes
+    name = "TJ Arthur" # TODO: Insert your name between the double quotes
 
     print(f"{name}, Welcome to the CSS course!")
 
 if __name__ == "__main__":
     main()
+
+"""
+    This is to simulate a change made on a robot:   robot_speed = 5 # m/s
+    This is to simulate a change made on a robot: robot_speed = 8 # m/s"""
\ No newline at end of file
diff --git a/labs/lab_1/lab_1b.py b/labs/lab_1/lab_1b.py
index e58dd957..e01d6130 100644
--- a/labs/lab_1/lab_1b.py
+++ b/labs/lab_1/lab_1b.py
@@ -37,6 +37,19 @@ def simple_calculator(operation: str, num1: float, num2: float) -> float:
     else:
         raise ValueError("Invalid operation. Please choose from 'add', 'subtract', 'multiply', or 'divide'.")
 
+def request_sanitized_number(prompt: str) -> float:
+
+    """Function to request and sanitize user input for the operation.
+    
+    Returns:
+        float: The sanitized number input by the user."""
+    while True:
+        try:
+            number = float(input(prompt))
+            return number
+        except ValueError:
+            print("Invalid input. Please enter a valid number.")
+        
 def main():
     
     print(f"===== Simple Calculator =====")