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Python Institute PCED-30-02 Exam Syllabus Topics:

Section	Objectives
Topic 1: Python Programming Fundamentals	- Basic syntax and data types 1. Variables and operators 2. Control flow basics
Topic 2: Data Handling and Processing with Python	- Working with data structures 1. Lists, tuples, dictionaries 2. Iterating and transformations - Data manipulation libraries 1. NumPy basics 2. Pandas fundamentals
Topic 3: Data Analysis and Visualization	- Data visualization 1. Matplotlib basics 2. Plot interpretation - Data cleaning and preprocessing 1. Missing values handling 2. Data transformation techniques
Topic 4: Basic Statistics for Data Analysis	- Descriptive statistics 1. Mean, median, mode 2. Variance and standard deviation

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Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions (Q15-Q20):

NEW QUESTION # 15
Which of the following statements about Python functions are correct? (Choose two.)

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

Answer: B,D

Explanation:
Positional arguments are matched to parameters by their position, so they must follow the defined order, while keyword arguments are matched by name and can be provided in any order. If a function completes without an explicit return statement, Python returns None automatically.

NEW QUESTION # 16
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.

Answer: A

Explanation:
It uses a context manager to automatically close the file after reading and wraps the operation in a try-except block to gracefully handle a missing file error, assigning an empty list if the file is not found.

NEW QUESTION # 17
A program uses while False: followed by print statements inside the loop. The developer expects output. What will actually happen during execution?

A. No execution
B. Error
C. Prints once
D. Infinite loop

Answer: A

Explanation:
The condition False is evaluated before entering the loop. Since it is always false, the loop body is never executed, and no output is produced.

NEW QUESTION # 18
A loop includes a break statement when a condition is met. The programmer wants to understand how break affects loop execution. What happens when break is executed inside the loop?

A. Loop restarts
B. Error
C. Loop ends immediately
D. Skips one iteration

Answer: C

Explanation:
The break statement immediately terminates the loop, regardless of remaining iterations. Control is transferred to the first statement following the loop block.

NEW QUESTION # 19
Given the following string:
text = "Report2024Final"
Which of the following statements are entirely correct? (Choose two.)

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

Answer: A,D,E

Explanation:
The slice text[6:8] is "20", which contains only digits, and the string ends with "Final". The first six characters are "Report", which are all alphabetic, and "2024" begins at index 6.

NEW QUESTION # 20
......

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