diff --git a/README.md b/README.md
index f2711cc..ca9945f 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1 @@
-# e01214314b5a47b19b544aec8dee01a8
-
+# python hello-world
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..c8fe6b9
--- /dev/null
+++ b/main.py
@@ -0,0 +1,38 @@
+def main():
+    print("Welcome to the Simple Math Calculator!")
+    print("Please choose an operation: +, -, *, /")
+
+    # Get operation from the user
+    operation = input("Enter operation: ")
+    
+    # Get two numbers from the user
+    try:
+        num1 = float(input("Enter the first number: "))
+        num2 = float(input("Enter the second number: "))
+    except ValueError:
+        print("Invalid input! Please enter numeric values.")
+        return
+
+    # Perform the selected operation
+    if operation == '+':
+        result = num1 + num2
+    elif operation == '-':
+        result = num1 - num2
+    elif operation == '*':
+        result = num1 * num2
+    elif operation == '/':
+        if num2 == 0:
+            print("Error: Division by zero is not allowed!")
+            return
+        result = num1 / num2
+    else:
+        print("Invalid operation! Please choose +, -, *, or /.")
+        return
+
+    # Display the result
+    print(f"The result of {num1} {operation} {num2} is: {result}")
+
+# Call the main function
+if __name__ == "__main__":
+    main()
+
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..55e8614
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+functions-framework==1.4.3
+markupsafe==2.0.1