def f(t1, t2, n):
	if (n < 2):
		return 0
	else:
		if (t1[n] <= t2[n]):
			return f(t1, t2, n-1)
		else:
			return 1 + f(t1, t2, n-1)


t1 = [1,2,0,0,2,3,0,0,3,4,0,0]
t2 = [1,0,0,0,3,0,0,0,4,0,0,0]

print(f(t1,t2, len(t1) - 1))

#------------------

lst1 = []
lst2 = []

def function(n):
    if n >= 1:
        lst1.insert(0, n**2)
        return function(n-1)
    else:
        return lst1

def function2(t):
    if len(t) >= 1:
        lst2.append(t)
        return function2(t[:-1])
    else:
        return lst2

print(function2(function(3)))