Which of the following are true of modules in Python? Modules group program functionality into reusable units, helping us create a modular design While importing modules, Python will only look in current directory Modules are useful for implementing components that are shared across a system and require only a single copy Like the local scopes of functions, modules helps avoid name clashes across your programs.

Before you enter an intersection on a green light make sure

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

All of these are true about using adhesive except: a. dissimilar materials can be joined. b. mixing tips are product and material specific. c. a specific application gun may be required. d. two-part adhesives are dispensed using two mixing tips