prices = [ 5.50, 3, 2.75 ]
total = 0
for i in range(len(prices)):
    total = total + prices[i]
print(total)

print("---")

def findMax(lst):
    largest = lst[0]
    for i in range(len(lst)):
        item = lst[i]
        if item > largest:
            largest = item
    return largest
    
print(findMax([5, 3, 7, 9, 2]))
print(findMax([-5, -2, -4, -7]))

print("---")

cities = [ ["Pittsburgh", "Allegheny", 302407],
           ["Philadelphia", "Philadelphia", 1584981],
           ["Allentown", "Lehigh", 123838],
           ["Erie", "Erie", 97639],
           ["Scranton", "Lackawanna", 77182] ]

def getCounty(cities, cityName):
    for i in range(len(cities)):
        city = cities[i][0]
        if city == cityName:
            return cities[i][1]

print(getCounty(cities, "Pittsburgh"))
print(getCounty(cities, "Allentown"))

print("---")

board = [ [ "X", "O", "." ],
          [ ".", "X", ".", "X" ],
          [ ".", ".", "O" ],
          [ ".", ".", "." ] ]

for row in range(len(board)):
    tmp = ""
    for col in range(len(board[row])):
        tmp = tmp + board[row][col]
    print(tmp)