You have the following function definitions: def a(x): ''' x: int or float. ''' return x 1 def b(x): ''' x: int or float. ''' return x 1.0 def c(x, y): ''' x: int or float. y: int or float. ''' return x y def d(x, y): ''' x: Can be of any type. y: Can be of any type. ''' return x > y def e(x, y, z): ''' x: Can be of any type. y: Can be of any type. z: Can be of any type. ''' return x >