Linux Journal: Why Not Python?, Part 4

“To solve the puzzle presented and discussed in Part 3 of this
series, as well as similar puzzles, I have to figure out how to
code Step 2.6 in Python. (See Part 3 for an outline of all the
steps in this problem-solving exercise.) The code should be
straightforward, except for saving (Step 2.6.1) and restoring (Step
2.6.4) values of compound data structures.

“In fact, this part of the code turned out to be harder to write
than I expected. A list of my mistakes can be seen below in
Appendix B, but the important lesson is this: simply assigning a
list doesn’t copy it, as Learning Python says. Instead, another
reference is created to the same list…”

Complete
Story