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Python Institute PCAD-31-02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Data Acquisition and Pre-Processing	29.2%
Topic 2: Data Visualization and Communication
Topic 3: Statistical Methods and Modeling
Topic 4: SQL and Data Management
Topic 5: Exploratory Data Analysis

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最新的 Python Institute Certification PCAD-31-02 免費考試真題 (Q65-Q70):

問題 #65
Which of the following is the most suitable data structure in Python for representing a tabular row with column names?

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

答案：B

問題 #66
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. set
B. dictionary
C. tuple
D. list

答案：A

問題 #67
Which of the following libraries is specifically optimized for high-performance numerical computation with multi-dimensional arrays in Python?

A. pandas
B. seaborn
C. NumPy
D. matplotlib

答案：C

問題 #68
Which method in a Python class is responsible for initializing the object's attributes at the time of creation?

A. __str__()
B. __main__()
C. __getattr__()
D. __init__()

答案：D

問題 #69
What is the primary reason for converting all categorical labels to lowercase during the data cleaning process?

A. To improve data visualization aesthetics
B. To reduce memory usage in the dataset
C. To avoid treating the same category as different due to case differences
D. To make string comparison operations slower

答案：C

問題 #70
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