grid = [['.', '.', '.', '.', '.', '.'],
['.', 'O', 'O', '.', '.', '.']]
I would like to ask if how can I count the values inside the list. In this case, the value would be 6 not 2. Sorry I am not that familiar with the terms. Thanks!
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2Clear your question. What value you want to count ? – MD. Khairul Basar Jun 22 '17 at 05:36
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Sorry my english is bad. What I wanted to count is this ['.', '.', '.', '.', '.', '.'] that would return to 6 in this scenario. – Lyle Jun 22 '17 at 20:34
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Is there a method to use how to count inside the items inside the square brackets? – Lyle Jun 22 '17 at 22:16
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Yes.You can use `len()`. If I understand correctly, `length = len(grid[0])`. – MD. Khairul Basar Jun 23 '17 at 04:51
2 Answers
1
If you want the length of each nested list you can use a list comprehension
[len(sub_list) for sub_list in grid]
[6, 6]
If you want the unique values of the lengths, you can use a set-comprehension
{len(sub_list) for sub_list in grid}
{6}
Maarten Fabré
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this is a list of lists. It would actually look like this, just adding a bracket to the end:
grid = [
['.', '.', '.', '.', '.', '.'],
['.', 'O', 'O', '.', '.', '.']
]
Micah Morris
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Yes. It is list of list. I wasn't able to add 1 bracket at the last. My bad. Thank you. – Lyle Jun 22 '17 at 20:53