data = [7,1,9,5,4,2,6,4,3,9,8]
dataSize = len(data)

max = data[0]

# Zaczynamy od drugiego elementu, a więc od elementu
# o indeksie 1.
for i in range(1,dataSize):
    if data[i] > max:
        max = data[i]
        
print(max)