Create a list from an existing list

Question

I have a list a = [1, 2, 3] and I want to create an extension called b = [1, 2, 3, 4].

I don't want to overwrite a, so I can not use append, extend or insert. I wonder if there is a quick method for the job (faster than using a list of comprehension or deep.copy)

score 0 · Accepted Answer · answered Mar 17 '21 at 15:06

0

You can do this, simple:

b = a + [4]

answered Mar 17 '21 at 15:06

Zain Arshad

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Create a list from an existing list

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