PROBLEM 1: Write a program that prompts the user for a number and calculates the factorial of that number. Use a for loop. Count from 1 up to the number.

Hello!. I need help making a pseudocode that solves this problem. I'm just starting computer science, so I don't need just a guide, but also a specific pseudocode for this problem. Please explain as much as you can, step-by-step. Thank you so much!