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Asked: 2026-06-15T03:35:06+00:00

I have a matrix for instance a=[12,2,4,67,8,9,23] and I would like a code that

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I have a matrix for instance

a=[12,2,4,67,8,9,23]

and I would like a code that appends a value say 45 to it and removes the first value ’12’
so in essence I want to make 

a = [2,4,67,8,9,23,45]

I want to work with regular matrices not numpy matrices so I can’t use hstack or vstack
How do I do this in python? Any help would be appreciated, thanks

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1 Answer

  1. Editorial Team

    The simplest way:

    a = a[1:] + [45]
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