(If you try to .append() one list to another, ... —and then the third element from that—the 2. Note that Python doesn’t enforce any kind of dimensionality on ... Python lists are not arrays.

Write a python program to insert, remove, append item using index from array. Also perform an operation to check whether the array contains any duplicate elements This program creates an empty list ...

Given an unsorted array Arr of N positive and negative numbers. Your task is to create an array of alternate positive and negative numbers without changing the relative order of positive and negative ...