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

1. 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) 5
B) None
C) 10
D) Error

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

3. A loop includes a break statement when a condition is met. The programmer wants to understand how break affects loop execution. What happens when break is executed inside the loop?

A) Skips one iteration
B) Loop restarts
C) Loop ends immediately
D) Error

4. Which task is traditionally or typically performed by a data analyst, and not by a data scientist or analytics specialist? Select the best answer.

A) Creating summary tables and charts to describe patterns in historical data.
B) Developing machine learning algorithms to predict user behavior.
C) Designing a data pipeline to ingest and process real-time sensor data.
D) Recommending pricing strategies using predictive modeling and A/B testing.

5. The following chart shows how a student spends 24 hours in a day:

Which statements are most accurate? (Choose two.)

A) School and homework together take up half of the day's time.
B) Leisure and meals combined equal the time spent at school.
C) Commuting is the second most time-consuming activity.
D) Leisure accounts for a moderate portion of the student's daily schedule, larger than commuting but smaller than the time spent at school.
E) Sleep and school take up the majority of time in a day.
F) More time is spent commuting than on leisure.

Solutions: