prices = [5.25, 7.30, 2.19]

total = 0
for i in range(len(prices)):
    total = total + prices[i]
print(total)

###

L = [5, 2, 4, 7, 1, 3]

def findMax(lst):
    biggest = lst[0]
    for i in range(len(lst)):
        item = lst[i]
        if item > biggest:
            biggest = item
    return biggest
    
###

cities = [ ["Pittsburgh", "Allegheny", 303255],
           ["Philadelphia", "Philadelphia", 1567258],
           ["Allentown", "Lehigh", 124880],
           ["Erie", "Erie", 92957],
           ["Scranton", "Lackawanna", 75805] ]

def getCounty(outerList, cityName):
    for i in range(len(outerList)):
        innerList = outerList[i]
        if innerList[0] == cityName:
            return innerList[1]
    return None # city not found

print(getCounty(cities, "Allentown"))

###

gameBoard = [ ["X", " ", "O"], [" ", "X", " "], [" ", " ", "O"] ]
for row in range(len(gameBoard)): # each row is a list
    boardString = ""
    for col in range(len(gameBoard[row])): # each col is a string
        boardString = boardString + gameBoard[row][col]
    print(boardString) # separate rows on separate lines