Purchase Python Institute : PCED-30-02 Exam Materials and then pass exam easily
Updated: Jun 19, 2026
No. of Questions: 52 Questions & Answers with Testing Engine
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Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:
1. A program uses while False: followed by print statements inside the loop. The developer expects output. What will actually happen during execution?
A) Infinite loop
B) No execution
C) Prints once
D) Error
2. You are writing a function named process_data()to read and process numerical input from a file. The function must:
- read the file data.txt,
- attempt to convert the first line into an integer,
- handle file, conversion, or index-related exceptions,
- print the value only if no error occurs,
- and always print a final message after execution.
Which implementation correctly and robustly meets all these conditions? Select the best answer.
A) 
B) 
C) 
3. 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 = np.unique(colors)
color_counts = Counter(set(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(unique(colors))
color_counts = Counter(colors)
import numpy as np
D) from collections import Counter
unique_colors = len(set(colors))
color_counts = np.unique(colors)
4. 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) True
B) None
C) Error
D) False
5. Which of the following statements about Python functions are correct? (Choose two.)
A) If a function does not contain a returnstatement, it returns Noneby default.
B) A function cannot call itself or be passed as an argument to itself.
C) passexecutes the function body and returns its result.
D) Functions can only return numeric values or strings.
E) Positional arguments must be passed in the order defined, while keyword arguments can be passed in any order using their parameter names.
F) Default parameters must always come before required ones in the parameter list.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: A,E |
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