Update and rename add two no.py to add_two_nums.py

Cleaned and Optimized the program for better readability and execution.

add_two_nums.py

@@ -0,0 +1,24 @@
+__author__ = "Nitkarsh Chourasia"
+__version__ = "1.0"
+def addition(
+        num1: typing.Union[int, float],
+        num2: typing.Union[int, float]
+) -> str:
+    """A function to add two given numbers."""
+
+    # Checking if the given parameters are numerical or not.
+    if not isinstance(num1, (int, float)):
+        return "Please input numerical values only for num1."
+    if not isinstance(num2, (int, float)):
+        return "Please input numerical values only for num2."
+
+    # Adding the given parameters.
+    sum_result = num1 + num2
+
+    # returning the result.
+    return f"The sum of {num1} and {num2} is: {sum_result}"
+)
+
+print(addition(5, 10))  # This will use the provided parameters
+print(addition(2, 2))
+print(addition(-3, -5))