#Checking for inequality
requested_topping = 'mushrooms'

if requested_topping != 'anchovies':
    print('Hold the anchovies')

#Checking whether value is in a list
requested_toppings = ['mushrooms', 'onions', 'pineapple']
print('mushrooms' in requested_toppings) #True
print('pepperoni' in requested_toppings) #False

