square = lambda x:x**2

def test1(f,x):
    return f(x)

def test2(f,x,y):
    return f(x,y)

print square(2), test1(square,2)

print (lambda x:x+5)(4), test1(lambda x:x+5,4)

print (lambda x,y:x-y)(5,4), test2(lambda x,y:x-y,5,4)

print (lambda x,y:x[y]*2)([0,1,2,3,4],4), test2(lambda x,y:x[y]*2,[0,1,2,3,4],4)

def test3(f,g,x,y):
    return f(x), f(y), g(x,y), g(f(x),f(y)), f(g(x,y)), f(g(y,x))

f = lambda x:x*27
g = lambda x,y: y+12*x

h = lambda x:f(x)
i = lambda x,y:g(x,y)

print (f(3),f(4),g(3,4),g(f(3),f(4)),f(g(3,4)),f(g(4,3)))
print test3(f,g,3,4)
print test3(h,i,3,4)

j = lambda lst,num,func:lst[func(lst,num)]*(lambda y:10*y)(num)
k = lambda x,y:len(x)-y

def test4(f,x,y,z):
    return f(x,y,z)

print j([1,2,3,4,5,6],2,k)
print test4(j,[1,2,3,4,5,6],2,k)