In [1]:

    

import itertools


    

In [2]:

    

l = ['a', 'b', 'c', 'd']


    

In [3]:

    

p = itertools.permutations(l, 2)


    

In [4]:

    

print(type(p))


    

    




<class 'itertools.permutations'>

In [5]:

    

for v in itertools.permutations(l, 2):
    print(v)


    

    




('a', 'b')
('a', 'c')
('a', 'd')
('b', 'a')
('b', 'c')
('b', 'd')
('c', 'a')
('c', 'b')
('c', 'd')
('d', 'a')
('d', 'b')
('d', 'c')

In [6]:

    

p_list = list(itertools.permutations(l, 2))


    

In [7]:

    

print(p_list)


    

    




[('a', 'b'), ('a', 'c'), ('a', 'd'), ('b', 'a'), ('b', 'c'), ('b', 'd'), ('c', 'a'), ('c', 'b'), ('c', 'd'), ('d', 'a'), ('d', 'b'), ('d', 'c')]

In [8]:

    

print(len(p_list))


    

    




12

In [9]:

    

for v in itertools.permutations(l):
    print(v)


    

    




('a', 'b', 'c', 'd')
('a', 'b', 'd', 'c')
('a', 'c', 'b', 'd')
('a', 'c', 'd', 'b')
('a', 'd', 'b', 'c')
('a', 'd', 'c', 'b')
('b', 'a', 'c', 'd')
('b', 'a', 'd', 'c')
('b', 'c', 'a', 'd')
('b', 'c', 'd', 'a')
('b', 'd', 'a', 'c')
('b', 'd', 'c', 'a')
('c', 'a', 'b', 'd')
('c', 'a', 'd', 'b')
('c', 'b', 'a', 'd')
('c', 'b', 'd', 'a')
('c', 'd', 'a', 'b')
('c', 'd', 'b', 'a')
('d', 'a', 'b', 'c')
('d', 'a', 'c', 'b')
('d', 'b', 'a', 'c')
('d', 'b', 'c', 'a')
('d', 'c', 'a', 'b')
('d', 'c', 'b', 'a')

In [10]:

    

print(len(list(itertools.permutations(l))))


    

    




24

In [11]:

    

l = ['a', 'a']


    

In [12]:

    

for v in itertools.permutations(l, 2):
    print(v)


    

    




('a', 'a')
('a', 'a')

In [13]:

    

l = ['a', 'b', 'c', 'd']


    

In [14]:

    

c = itertools.combinations(l, 2)


    

In [15]:

    

print(type(c))


    

    




<class 'itertools.combinations'>

In [16]:

    

for v in itertools.combinations(l, 2):
    print(v)


    

    




('a', 'b')
('a', 'c')
('a', 'd')
('b', 'c')
('b', 'd')
('c', 'd')

In [17]:

    

c_list = list(itertools.combinations(l, 2))


    

In [18]:

    

print(c_list)


    

    




[('a', 'b'), ('a', 'c'), ('a', 'd'), ('b', 'c'), ('b', 'd'), ('c', 'd')]

In [19]:

    

print(len(c_list))


    

    




6

In [20]:

    

h = itertools.combinations_with_replacement(l, 2)


    

In [21]:

    

print(type(h))


    

    




<class 'itertools.combinations_with_replacement'>

In [22]:

    

for v in itertools.combinations_with_replacement(l, 2):
    print(v)


    

    




('a', 'a')
('a', 'b')
('a', 'c')
('a', 'd')
('b', 'b')
('b', 'c')
('b', 'd')
('c', 'c')
('c', 'd')
('d', 'd')

In [23]:

    

h_list = list(itertools.combinations_with_replacement(l, 2))


    

In [24]:

    

print(h_list)


    

    




[('a', 'a'), ('a', 'b'), ('a', 'c'), ('a', 'd'), ('b', 'b'), ('b', 'c'), ('b', 'd'), ('c', 'c'), ('c', 'd'), ('d', 'd')]

In [25]:

    

print(len(h_list))


    

    




10

In [26]:

    

s = 'arc'


    

In [27]:

    

for v in itertools.permutations(s):
    print(v)


    

    




('a', 'r', 'c')
('a', 'c', 'r')
('r', 'a', 'c')
('r', 'c', 'a')
('c', 'a', 'r')
('c', 'r', 'a')

In [28]:

    

anagram_list = [''.join(v) for v in itertools.permutations(s)]


    

In [29]:

    

print(anagram_list)


    

    




['arc', 'acr', 'rac', 'rca', 'car', 'cra']