Task 1: Calculate Factorial Using a Function

Problem Statement: Write a Python program that:

1. Defines a function named factorial that takes a number as an argument and calculates its factorial using a loop AND recursion.
2. Returns the calculated factorial.
3. Calls the function with a sample number and prints the output.

Task 2: Using the Math Module for Calculations

Problem Statement: Write a Python program that:

1. Asks the user for a number as input.
2. Uses the math module to calculate the: o Square root of the number o Natural logarithm (log base e) of the number o Sine of the number (in radians)
3. Displays the calculated results.