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Python Institute PCED-30-02 Exam Syllabus Topics:

Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:

1. A list is defined as [1, 2, 3]. The programmer uses the method .append([4, 5]). What will the resulting list look like after execution?

A) Error
B) [4,5,1,2,3]
C) [1,2,3,[4,5]]
D) [1,2,3,4,5]

2. A variable is assigned using chained assignment: a = b = c = 10. The developer then changes b =
5. What will be the value of a after this operation?

A) None
B) 5
C) Error
D) 10

3. You have a list of test scores, where each entry includes a student name and a score. Some students appear more than once. You want to compute the average score for each student and store the results in a dictionary. Here's the partial code block:

Which code correctly replaces the # MISSING CODE comment to calculate the average score for each student? Select the best answer.

A)

B)

C)

D)

4. You are reading a data.csvfile line by line. To prepare each line for formatting with f-strings, you need to remove extra whitespace and split the values by commas.
Which line should you insert to correctly clean and parse the input?

A) fields = line.replace(', ', '|').split('|')
B) fields = line.split().strip(', ')
C) fields = line.strip().split(', ')
D) fields = line.split(', ').trim()

5. A health researcher uses wearable devices to record physical activity and sends a survey to randomly selected participants across age groups.
Why can this approach be effective? Select the best answer.

A) It relies on observational methods, which are more accurate than surveys or sensors.
B) It uses unstructured interviews to validate automated tracking, improving bias detection.
C) It combines automated data collection with representative sampling, reducing the risk of bias.
D) It limits sampling to one demographic, ensuring high-quality data within a specific group.

Solutions: