size = ['small', 'medium', 'large']
cook = ['well done', 'rare', 'medium']
protein = ['meat', 'chickpea','salmon', 'egg']
topping = ['tomato', 'onion', 'lettuce', 'cheese', 'pickle']
useroptions = []

def sizeandmethod ():
    chosensize = str(input('what size would u like'))
    if chosensize.lower () in size:
        useroptions.append (chosensize)
    else:
        print('invalid input')
        
    chosenmethod = str(intput('how would u like it to be cooked'))
    if chosenmethod.lower() in cookingmethod:
        useroptions.append(chosenmethod)
    else:
        print('invalid output')
        
toppingcount = [0,0,0,0,0] #empty array resetting every time for toppings
        
def calctopping():
    print(topping)
    for count in range (0,3):
        toppingchoice = str(input('enter toppings that u want '))
        if toppingchoice.lower() in topping:
            position = topping.index(toppingchoice)
            toppingcount[position] = toppingcount[position] + 1
            useroptions.append (toppingchoice)
        else:
            print('invalid input')
proteincount = [0,0,0,0,0]          
            
def calcprotein():
    print(protein)
    proteinchoice = str(input('enter protein that u want '))
    if proteinchoice.lower() in protein:
        position = protein.index(proteinchoice)
        proteincount[position] = proteincount[position] + 1
        useroptions.append (proteinchoice)
    else:
        print('invalid input')
        
def displaytopstats ():
     leastpop = toppingcount.index (min(topping count)) #find position of the lowesttopping count
     mostpop = toppingcount.index (max(toppingcount))
     print('least popular choice for the day is ',topping[leastpop], 'it was chosen ', toppingcount[leastpop],'times')