How do I write a function that returns another function?

Question

In Python, I\'d like to write a function make_cylinder_volume(r) which returns another function. That returned function should be callable with a parameter

Answer 1

Just want to point out that you can do this with pymonad

 import pymonad 

 @pymonad.curry
 def add(a, b):
     return a + b

 add5 = add(5)
 add5(4)
 9