最新的 Python Institute PCED PCED-30-02 免費考試真題:

1. A Python script checks membership using "a" in "apple". The developer wants to understand how membership works for strings. What result will this expression produce?

A) False
B) True
C) None
D) Error

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

Which statements are most accurate? (Choose two.)

A) Commuting is the second most time-consuming activity.
B) Sleep and school take up the majority of time in a day.
C) Leisure and meals combined equal the time spent at school.
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) School and homework together take up half of the day's time.
F) More time is spent commuting than on leisure.

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

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.strip().split(', ')
C) fields = line.split(', ').trim()
D) fields = line.split().strip(', ')

5. Consider a Python program that assigns a string value "5" to a variable and then attempts to multiply it by an integer 3. The programmer expects numeric multiplication. What will actually happen when the code is executed?

A) "555"
B) 8
C) 15
D) Error

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