Python.boolean

def a(x, y, z):     if x:         return y     else:         return zdef b(q, r):    return a(q>r, q, r)

b(a, b) cause an error?

print type(b(a, b)) ?

print b(a, b) ?

def a(x, y):    return x > y

print a('b', 1) ?