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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 Python developer is testing truth values of different data types using the bool() function. The expression bool([0]) is evaluated in the script. What result should be expected when this expression is printed?

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

2. You are analyzing survey results from students about their favorite colors. The list colorsstores individual responses:

You want to:
- find the number of unique colors mentioned using NumPy, and
- determine how often each color was chosen using Counter.
Which code snippet correctly performs both tasks? Select the best answer.
from numpy import unique

A) from collections import Counter
unique_colors = len(unique(colors))
color_counts = Counter(colors)
import numpy as np
B) from collections import Counter
unique_colors = Counter(colors)
color_counts = sum(np.unique(colors))
import numpy as np
C) from collections import Counter
unique_colors = len(set(colors))
color_counts = np.unique(colors)
D) from collections import Counter
unique_colors = np.unique(colors)
color_counts = Counter(set(colors))
import numpy as np

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

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

5. A script attempts to divide two numbers using / and //. The values are 7 and 2. The developer wants to understand the difference between true division and floor division. What are the results respectively?

A) 3.5 and 3
B) 3 and 3.5
C) 4 and 3
D) 3 and 4

Solutions: