akitotakeki

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import numpy as np
import chainer
from chainer import cuda
from chainer import configuration
import chainer.functions as F
import chainer.links as L
from chainer.initializers import normal

akitotakeki

import itertools
list(itertools.permutations('ABCD', 3))

[('A', 'B', 'C'),
 ('A', 'B', 'D'),
 ('A', 'C', 'B'),
 ('A', 'C', 'D'),
 ('A', 'D', 'B'),
 ('A', 'D', 'C'),
 ('B', 'A', 'C'),

akitotakeki

def square_gen(num):
    for i in range(num):
        yield i**2

gen = square_gen(5)

for i in gen:
    print(i)
    
for i in map(lambda x: x**2, range(5)):