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Python Institute PCAD-31-02 Exam Syllabus Topics:

Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:

1. What is the main purpose of defining a class when working with complex data structures in a Python-based analysis project?

A) To encapsulate related data and behavior for better organization
B) To avoid using loops and conditional logic
C) To define global variables that persist across files
D) To ensure all values are stored as plain strings

2. What is the primary reason to use .head() and .tail() methods in pandas when exploring datasets?

A) To preview the first and last few rows of data
B) To delete missing values
C) To create visualizations
D) To rename columns

3. Which actions are considered best practices when managing datasets in Python using pandas?
(Choose two)

A) Use .describe() for summary statistics
B) Always convert all columns to strings
C) Use .info() to understand dataset structure
D) Replace missing values with hardcoded zeros without analysis

4. You have a list of product prices, and you need to remove duplicate values while maintaining the fastest performance. Which core data structure should you use?

A) tuple
B) set
C) list
D) dictionary

5. Which Python feature allows the reuse of logic in different data processing steps, reducing duplication and improving maintainability?

A) Lambda functions
B) Global variables
C) Tuple unpacking
D) Custom functions

Solutions: