In [26]:

    

import itertools
import string

alphabet = list(string.ascii_letters)
len(alphabet)


    

    
Out[26]:





52

In [29]:

    

def paginate(iterable, page_size):
    while True:
        i1, i2 = itertools.tee(iterable)
        iterable, page = (itertools.islice(i1, page_size, None),
            list(itertools.islice(i2, page_size)))
        if len(page) == 0:
            break
        yield page

list(paginate(alphabet, 5))


    

    
Out[29]:





[['a', 'b', 'c', 'd', 'e'],
 ['f', 'g', 'h', 'i', 'j'],
 ['k', 'l', 'm', 'n', 'o'],
 ['p', 'q', 'r', 's', 't'],
 ['u', 'v', 'w', 'x', 'y'],
 ['z', 'A', 'B', 'C', 'D'],
 ['E', 'F', 'G', 'H', 'I'],
 ['J', 'K', 'L', 'M', 'N'],
 ['O', 'P', 'Q', 'R', 'S'],
 ['T', 'U', 'V', 'W', 'X'],
 ['Y', 'Z']]

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