PCAP-31-03 1.1 Import and Use Modules and Packages PCAP-31 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   What is a primary consequence of using `from module import *`?

   • AIt is equivalent to `import module` but with a shorter syntax.
   • BIt prevents any name collisions with existing variables.
   • CIt imports only the names explicitly listed in the module's __all__ variable.
   • DIt imports the module object itself into the current namespace.
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2. 7foundation · easy

   What is the purpose of the `sys.path` list?

   • AIt contains the paths to all installed Python packages.
   • BIt contains the directories where Python looks for modules during import.
   • CIt lists all environment variables available to the process.
   • DIt stores the command-line arguments passed to the script.
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4. 8foundation · easy

   Which code snippet correctly imports the math module and uses it to compute the square root of 16?

   • Afrom math import * print(math.sqrt(16))
   • Bimport math print(math.sqrt(16))
   • Cimport math as m print(math.sqrt(16))
   • Dimport math print(sqrt(16))
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5. 9application · medium

   A developer has a package `web/` with submodules `web/__init__.py`, `web/urls.py`, and `web/urls/parse.py`. The developer wants to use the `parse_url` function from `web/urls/parse.py` in a script. The developer wants to call the function as `parse_url()` without any qualification. Which import statement should be used?

   • A`from web.urls.parse import parse_url`
   • B`from web.urls import parse`
   • C`import web.urls.parse.parse_url`
   • D`import web.urls.parse`
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6. 10application · medium

   A developer is working on a project with the package structure `project/__init__.py`, `project/data/__init__.py`, and `project/data/loader.py`. The developer needs to use the `load_data` function from `project/data/loader.py` in a script located outside the `project` package. The `project` package is in a directory on `sys.path`. Which import statement allows the developer to call `load_data()` directly?

   • A`from project import data.loader`
   • B`import project.data.loader.load_data`
   • C`from project.data.loader import load_data`
   • D`import project.data.loader`
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