>>> def f(x):
        return x**3 - x +7

>>> f(10)
997
>>> f(1)
7
>>> def tabulate(a, b):
	    for x in range(a, b, 1):
		    print x, f(x)

>>>tabulate(1, 6)
1  7
2  13
3  31
4  67 
5  127
>>> def tabulate(a, b, f):
        for x in range(a, b, 1):
            print x, f(x)

>>>tabulate(1, 6, f)
1  7
2  13
3  31
4  67 
5  127
>>> def g(x):
	return  3 * x

>>> tabulate(10, 15, g)
10 30
11 33
12 36
13 39
14 42