import Orange

data = Orange.data.Table("iris")
print "First three data instances:"
for d in data[:3]:
    print d

print "25-th data instance:"
print data[24]

name = "sepal width"
print "Value of '%s' for the first instance:" % name, data[0][name]
print "The 3rd value of the 25th data instance:", data[24][2]
