1. Write a pseudocode algorithm to print the numbers from 1 to 10, and then from 10 to 1, using exactly one loop.
2. The function contains() takes a food as an argument and tells you whether the pizza contains that food. Tomas is allergic to peanuts, tuna, and onions, but strangely, eating peanuts and onions together is fine for him. Write a condition that determines whether the pizza is safe for him to eat.