Function composition and threading in Python

gistfile1.py

def compose(f, g):
  def inner(*args, **kwargs):
    return f(g(*args, **kwargs))
  return inner

# Clojure: (comp #(+ 1 %) #(* 2 %))
times2plus1 = compose(lambda n: n + 1, lambda n: n * 2)
print times2plus1(4)

# OUT: 9

def compose_many(*funs):
  return reduce(compose, funs)

def thread(x, *funs):
  return (compose_many(*funs[::-1]))(x)

add1 = lambda n: n + 1
times2 = lambda n: n * 2
sqr = lambda n: n * n

# Clojure:
#   (defn add1 [n] (+ 1 n))
#   (defn times2 [n] (* 2 n))
#   (defn sqr [n] (* n n))
#   (-> 10 sqr times2 add1)
print thread(10, sqr, times2, add1)

# OUT: 201