Validation and sanitization are two related but distinct processes that help you ensure the quality and safety of user input and output. Validation is the process of checking whether user input ...

Input: The user is asked to input a positive integer for the number of terms in the Fibonacci sequence. If the input is valid, the program calculates and displays the Fibonacci sequence up to the ...

User input and output are essential components of any web application, but they also pose significant security and usability risks. If you don't validate and sanitize them properly, you may expose ...