6. Which of the following is NOT considered an expensive operation?
- Parsing a file
- Downloading data over the network
- Going through a list
- Using a dictionary
7. Which of the following may be the most expensive to carry out in most automation tasks in a script?
- Loops
- Lists
- Vector
- Hash
8. Which of the following statements represents the most sound advice when writing scripts?
- Aim for every speed advantage you can get in your code
- Use expensive operations often
- Start by writing clear code, then speed it up only if necessary
- Use loops as often as possible
9. In Python, what is a data structure that stores multiple pieces of data, in order, which can be changed later?
- A hash
- Dictionaries
- Lists
- Tuples
10. What command, keyword, module, or tool can be used to measure the amount of time it takes for an operation or program to execute? (Check all that apply)
- time
- kcachegrind
- cProfile
- break
