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list-manipulation

Fix Python – Some built-in to pad a list in python

November 12, 2022 by Aky Patel

I have a list of size < N and I want to pad it up to the size N with a value. Certainly, I can use something like the following, but I feel that there should be something I missed: >>> N = 5
>>> a = [1]
>>> map(lambda x, y: y if x is None else x, a, [”]*N)
[1, ”, ”, ”, ”]

….

Categories python Tags list, list-manipulation, python

Fix Python – How can I get the concatenation of two lists in Python without modifying either one? [duplicate]

August 2, 2022 by Aky Patel

This question already has answers here:

How do I concatenate two lists in Python?

(31 answers)

Closed 7 years ago.

In Python, the only way I can find to concatenate two lists is list.extend, which modifies the first list. Is….

Categories python Tags concatenation, list-manipulation, python, sequence

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