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1. itertools.product(): A Tricky Way To Avoid Nested Loops

Sumit Rawal answered on May 13, 2023 Popularity 1/10 Helpfulness 1/10

answer 1. itertools.product(): A Tricky Way To Avoid Nested Loops

1. itertools.product(): A Tricky Way To Avoid Nested Loops

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When a program becomes more and more complicated, you may need to write nested loops. At the same time, your Python code will become ugly and unreadable:

list_a = [1, 2020, 70]
list_b = [2, 4, 7, 2000]
list_c = [3, 70, 7]

for a in list_a:
    for b in list_b:
        for c in list_c:
            if a + b + c == 2077:
                print(a, b, c)
# 70 2000 7
from itertools import product

list_a = [1, 2020, 70]
list_b = [2, 4, 7, 2000]
list_c = [3, 70, 7]

for a, b, c in product(list_a, list_b, list_c):
    if a + b + c == 2077:
        print(a, b, c)
# 70 2000 7

Popularity 1/10 Helpfulness 1/10 Language python

Source: Grepper

Tags: nested-loops python

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Contributed on May 13 2023

Sumit Rawal

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1. itertools.product(): A Tricky Way To Avoid Nested Loops

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