PCPP1 Best Practices And Coding Conventions Practice Question
Which THREE practices are recommended when handling external libraries?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a virtual environment for every project.
You should use virtual environments, pin your dependencies, and document your requirements.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Install libraries globally.
Why it's wrong here
Global installs lead to dependency conflicts.
- ✗
Import all libraries at the very end of the file.
Why it's wrong here
Imports should be at the top.
- ✓
Use a virtual environment for every project.
Why this is correct
This keeps dependencies isolated.
- ✓
Document dependencies in a manifest file.
Why this is correct
Good practice for project maintenance.
- ✓
Pin your dependencies in a requirements.txt file.
Why this is correct
Ensures reproducible environments.
About these practice questions
This PCPP1 question is part of Courseiva's 209-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Python Institute exam blueprint
This PCPP1 practice question is part of Courseiva's free Python Institute certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCPP1 exam.