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

1. You want to safely read the contents of a file named records.txtand store them in a list. Your requirements are:
- The file should be automatically closed after reading,
- The code should check whether the file exists before opening it, and
- It should handle missing file errors gracefully.
Which of the following is the most appropriate way to accomplish this task in Python? Select the best answer.

A)

B)

C)

D)

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

Which statements are most accurate? (Choose two.)

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

3. Given the following string:
text = "Report2024Final"
Which of the following statements are entirely correct? (Choose two.)

A) text.isalpha()returns True, and text.find ("2024")returns True
B) text[6:8].isdigit()returns True, and text.endswith("Final")returns True
C) text.capitalize()changes Finalto lowercase, and text.find ("L")returns True
D) text[0:6].isalpha() returns True, and text.find("2024") returns 6
E) text[-6].isdigit() returns True, text.startswith("r") returns True
F) text.capitalize()changes Report2024Finalto REPORT2024FINAL, and text.find("2024")returns 6

4. 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)

5. You are working with city names entered by users. These names may contain inconsistent capitalization and unwanted spaces.
To standardize the data, you want to:
- Remove any leading or trailing whitespace, and
- Capitalize the first letter of each word (e.g., convert "new york" to "New York").
For example:
" New york " → "New York"
"lOS ANGELES" → "Los Angeles"
You are given a variable citythat contains the raw input.
Which line of code correctly updates the value of cleaned_cityto apply the required transformation? Select the best answer.

A) cleaned_city = city.upper().strip()
B) cleaned_city = city.upper().replace(" ", "")
C) cleaned_city = city.strip().capitalize()
D) cleaned_city = city.strip().title()

Solutions: