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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 list is reversed using slicing: lst[::-1]. The programmer wants to confirm whether this modifies the original list or creates a new one. What is the correct behavior?

A) Error
B) Modifies original
C) Returns None
D) Creates new list

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

3. Which of the following statements about Python functions are correct? (Choose two.)

A) Functions can only return numeric values or strings.
B) If a function does not contain a returnstatement, it returns Noneby default.
C) A function cannot call itself or be passed as an argument to itself.
D) Default parameters must always come before required ones in the parameter list.
E) passexecutes the function body and returns its result.
F) Positional arguments must be passed in the order defined, while keyword arguments can be passed in any order using their parameter names.

4. A programmer writes a script to test operator precedence using the expression 3 + 4 * 2 ** 2. The goal is to evaluate the result correctly based on Python's operator hierarchy rules. What result should the script produce?

A) 28
B) 19
C) 49
D) 35

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 4
C) 4 and 3
D) 3 and 3.5

Solutions: