diff --git a/labs/lab_1/lab_1a.py b/labs/lab_1/lab_1a.py
index 9d15ec83..991f9af3 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 = 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 +8,7 @@
 def main():
     print("Hello World!")
 
-    name = "" # TODO: Insert your name between the double quotes
+    name = "Rishi Konda" # 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..1745ff20 100644
--- a/labs/lab_1/lab_1b.py
+++ b/labs/lab_1/lab_1b.py
@@ -36,7 +36,14 @@ 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 request_for_sanatized_number(prompt: str) -> float:
+    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 =====")