Token 2: refers to the variable declaration; this is where you assign a name to the token, which is "item" in this example. Token 3: refers to the list that you loop (iterate) over.

You can import the Python copy package and use its copy method to do so. Use y = copy.copy (x) to create a copy of list x and assign variable y to refer to it.

In this age of information explosion, the choice of programming language affects development efficiency. Python, with its ...