#!/usr/bin/env python3

# -*- coding: utf-8 -*-

def lazy_sum(*args):

def sum():

ax = 0

for n in args:

ax = ax + n

return ax

return sum

f = lazy_sum(1, 2, 4, 5, 7, 8, 9)

print(f)

print(f())

# why f1(), f2(), f3() returns 9, 9, 9 rather than 1, 4, 9?

def count():

fs = []

for i in range(1, 4):

def f():

return i * i

fs.append(f)

return fs

f1, f2, f3 = count()

print(f1())

print(f2())

print(f3())

# fix:

def count():

fs = []

def f(n):

def j():

return n * n

return j

for i in range(1, 4):

fs.append(f(i))

return fs

f1, f2, f3 = count()

print(f1())

print(f2())

print(f3())