めざせpythonライブラリマスター （24）combi

#【ライブラリ説明】
　順列、組み合わせを表示

#【プログラム】

combi.py

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

from combi import PermSpace, CombSpace

# 順列
perm_space = PermSpace('meow')
print len(perm_space)
# 24

for i in xrange(len(perm_space)):
    print perm_space[i]
'''
<Perm: ('m', 'e', 'o', 'w')>
<Perm: ('m', 'e', 'w', 'o')>
<Perm: ('m', 'o', 'e', 'w')>
<Perm: ('m', 'o', 'w', 'e')>
<Perm: ('m', 'w', 'e', 'o')>
<Perm: ('m', 'w', 'o', 'e')>
<Perm: ('e', 'm', 'o', 'w')>
<Perm: ('e', 'm', 'w', 'o')>
<Perm: ('e', 'o', 'm', 'w')>
<Perm: ('e', 'o', 'w', 'm')>
<Perm: ('e', 'w', 'm', 'o')>
<Perm: ('e', 'w', 'o', 'm')>
<Perm: ('o', 'm', 'e', 'w')>
<Perm: ('o', 'm', 'w', 'e')>
<Perm: ('o', 'e', 'm', 'w')>
<Perm: ('o', 'e', 'w', 'm')>
<Perm: ('o', 'w', 'm', 'e')>
<Perm: ('o', 'w', 'e', 'm')>
<Perm: ('w', 'm', 'e', 'o')>
<Perm: ('w', 'm', 'o', 'e')>
<Perm: ('w', 'e', 'm', 'o')>
<Perm: ('w', 'e', 'o', 'm')>
<Perm: ('w', 'o', 'm', 'e')>
<Perm: ('w', 'o', 'e', 'm')>
'''

print perm_space.index('mowe')
# 3



# ３つから２つ選ぶ組み合わせ
comb_space = CombSpace(('vanilla', 'chocolate', 'strawberry'), 2)

print len(comb_space)
# 3

for i in xrange(len(comb_space)):
    print comb_space[i]
'''
<Comb, n_elements=2: ('vanilla', 'chocolate')>
<Comb, n_elements=2: ('vanilla', 'strawberry')>
<Comb, n_elements=2: ('chocolate', 'strawberry')>
'''

#【参考サイト】
　pypi
　github