Installing Flask - Quick Revision & Summary

Recall & Review

beginner

What is Flask?

Flask is a lightweight web framework for Python that helps you build web applications easily.

beginner

Which command installs Flask using pip?

You install Flask by running pip install Flask in your terminal or command prompt.

intermediate

Why should you use a virtual environment when installing Flask?

A virtual environment keeps your project’s packages separate from other projects, avoiding conflicts and making management easier.

beginner

How do you create a virtual environment in Python?

Run python -m venv env to create a virtual environment named 'env'. Then activate it before installing Flask.

beginner

What command activates a virtual environment on Windows?

Use env\Scripts\activate in the command prompt to activate the virtual environment on Windows.

Which command installs Flask?

A install flask pip

B python flask install

C pip install Flask

D flask install

The correct command to install Flask is pip install Flask.

Why use a virtual environment for Flask projects?

A To speed up Flask installation

B To keep project packages isolated

C To avoid using pip

D To run Flask without Python

Virtual environments isolate packages so different projects don’t interfere with each other.

What is the command to create a virtual environment named 'env'?

A python create env

B pip create env

C flask venv env

D python -m venv env

Use python -m venv env to create a virtual environment called 'env'.

How do you activate a virtual environment on Windows?

A env\Scripts\activate

B source env/bin/activate

C activate env

D pip activate env

On Windows, activate a virtual environment with env\Scripts\activate.

What tool do you use to install Flask?

A pip

B npm

C apt-get

D gem

Flask is installed using Python’s package manager called pip.

Explain the steps to install Flask in a new Python project.

Think about keeping your project clean and isolated.

Why is it important to use a virtual environment when working with Flask?

Imagine having different toolboxes for different projects.