Exploring Python Modules and Packages

What is the correct syntax to import a module named `math` in Python?

• `import math`

• `include math`

• `require math`

• `use math`

Which of the following commands is used to install a package using pip?

• `pip install package_name`

• `pip get package_name`

• `pip fetch package_name`

• `pip add package_name`

What is the purpose of the `__init__.py` file in a Python package?

• It initializes the package and can be used to execute package-level code.

• It contains the main function of the package.

• It is used to store package metadata.

• It is used to list all modules in the package.

How can you import only the `sqrt` function from the `math` module?

• `import math.sqrt`

• `from math import sqrt`

• `import sqrt from math`

• `use math.sqrt`

Which of the following is a standard library in Python?

• `numpy`

• `pandas`

• `os`

• `requests`

What is the command to list all installed packages using pip?

• `pip list`

• `pip show`

• `pip display`

• `pip packages`

If you have a module named `mymodule.py`, how would you import it in another Python script?

• `import mymodule`

• `include mymodule`

• `require mymodule`

• `use mymodule`

What is the purpose of the `sys.path` variable in Python?

• It stores the current working directory.

• It lists the directories that Python searches for modules.

• It contains the environment variables.

• It holds the command-line arguments.

Which command would you use to upgrade an installed package using pip?

• `pip upgrade package_name`

• `pip update package_name`

• `pip install --upgrade package_name`

• `pip refresh package_name`

How can you create a custom module in Python?

• Write a Python script and save it with a `.mod` extension.

• Write a Python script and save it with a `.py` extension.

• Write a Python script and save it with a `.module` extension.

• Write a Python script and save it with a `.custom` extension.