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python [a]*b means [a,a,...b times] v2

ap_Cooperative_dev answered on March 10, 2022 Popularity 7/10 Helpfulness 4/10

answer python [a]*b means [a,a,...b times] v2

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python [a]*b means [a,a,...b times] v2

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>>> [1, 2, 3] * 3
[1, 2, 3, 1, 2, 3, 1, 2, 3]

Popularity 7/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: python

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Contributed on Mar 10 2022

ap_Cooperative_dev

0 Answers Avg Quality 2/10

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python [a]*b means [a,a,...b times]

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The [0] * x creates a list with x elements. So,
>>> [ 0 ] * 5
   gives [0,0,0,0,0]

******** warn:they all point to the same object.
This is cool for immutables like integers but a pain for things like lists.
>>> t = [[]] * 5
>>> t
[[], [], [], [], []]
>>> t[0].append(5)
>>> t
[[5], [5], [5], [5], [5]]
>>>

Popularity 3/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

Tags: python

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Contributed on Mar 10 2022

ap_Cooperative_dev

0 Answers Avg Quality 2/10

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python [a]*b means [a,a,...b times] v2

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