Question

How to generate cartesian product in Python

Answer 1

from itertools import product
  
lst = [1, 2, 3]  

print(list(product(lst, repeat = 2)))



'''
run:

[(1, 1), (1, 2), (1, 3), (2, 1), (2, 2), (2, 3), (3, 1), (3, 2), (3, 3)]

'''

 

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Answer 2

from itertools import product
  
s = 'abc'

print(list(product(s, repeat = 2)))



'''
run:

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

'''

 

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