How do you install python packages? (AI)

Question 1

What is the standard tool for installing Python packages?

Answer 1

pip (often recursively defined as “Pip Installs Packages”). It’s the Python package installer and is included with modern Python distributions.

Question 2

What is the most basic command to install a package named requests?

Answer 2

pip install requests

Question 3

What command do you use to install a specific version of a package, like version 1.5 of pandas?

Answer 3

pip install pandas==1.5

Question 4

How do you upgrade an already installed package (e.g., numpy) to its latest version?

Answer 4

pip install --upgrade numpy

Question 5

How do you install packages listed in a requirements.txt file?

Answer 5

pip install -r requirements.txt

Question 6

How do you uninstall a package (e.g., requests)?

Answer 6

pip uninstall requests

Question 7

What is the command to list all packages currently installed in the active environment?

Answer 7

pip list or pip freeze (which is better for generating requirements files).

Question 8

What does the -e flag mean when installing a package?

Answer 8

It means “editable” or “development” mode. pip install -e . installs the package locally from your current project directory, allowing changes to the source code to take immediate effect.