WGU D335 OA INTRODUCTION TO PROGRAMING IN PYTHON EXAM– QUESTIONS AND ANSWERS | VERIFIED
AND WELL DETAILED ANSWERS | PLUS RATIONALES | DOWNLOAD AND PASS | LATEST EXAM UPDATE
2026/2027
Core Domains
Python Syntax and Semantics
Data Types and Variables
Control Flow and Loops
Functions and Modules
Data Structures (Lists, Tuples, Dictionaries, Sets)
File Handling and Exceptions
Object-Oriented Programming
Algorithms and Problem Solving
Debugging and Testing
Standard Library and Best Practices
Introduction
,This comprehensive assessment evaluates the candidate's proficiency in Python programming, focusing on fundamental
syntax, data structures, control flow, functions, and object-oriented principles. The exam assesses both theoretical
knowledge and practical application, ensuring candidates can write, debug, and optimize Python code. Questions
include multiple-choice and scenario-based formats that simulate real-world programming challenges, requiring
critical thinking and adherence to industry best practices. The assessment emphasizes clean code, ethical programming
standards, and effective problem-solving strategies essential for professional software development and data analysis
roles.
Section One: Questions 1–50
Question 1
What is the primary purpose of the Python interpreter?
A. To compile Python code into machine language before execution
B. To translate and execute Python code line by line at runtime
C. To convert Python code into Java bytecode
D. To serve as a text editor for writing Python scripts
🟢 Correct Answer: B. To translate and execute Python code line by line at runtime
,🔴 Explanation: The Python interpreter reads and executes code line by line, translating it into machine-readable
instructions at runtime without a separate compilation step.
Question 2
Which of the following is an immutable data type in Python?
A. List
B. Dictionary
C. Set
D. Tuple
🟢 Correct Answer: D. Tuple
🔴 Explanation: Tuples are immutable, meaning their contents cannot be changed after creation, unlike lists,
dictionaries, and sets.
Question 3
What will be the output of the following code: print(type()) ?
A. <class 'int'>
B. <class 'float'>
, C. <class 'double'>
D. <class 'decimal'>
🟢 Correct Answer: B. <class 'float'>
🔴 Explanation: The division operator / in Python 3 always returns a float, so yields 2.5 , which is a float.
Question 4
Which keyword is used to define a function in Python?
A. function
B. def
C. func
D. define
🟢 Correct Answer: B. def
🔴 Explanation: The def keyword is used to define functions in Python, followed by the function name and
parameters.
Question 5
What is the correct way to create a dictionary in Python?
AND WELL DETAILED ANSWERS | PLUS RATIONALES | DOWNLOAD AND PASS | LATEST EXAM UPDATE
2026/2027
Core Domains
Python Syntax and Semantics
Data Types and Variables
Control Flow and Loops
Functions and Modules
Data Structures (Lists, Tuples, Dictionaries, Sets)
File Handling and Exceptions
Object-Oriented Programming
Algorithms and Problem Solving
Debugging and Testing
Standard Library and Best Practices
Introduction
,This comprehensive assessment evaluates the candidate's proficiency in Python programming, focusing on fundamental
syntax, data structures, control flow, functions, and object-oriented principles. The exam assesses both theoretical
knowledge and practical application, ensuring candidates can write, debug, and optimize Python code. Questions
include multiple-choice and scenario-based formats that simulate real-world programming challenges, requiring
critical thinking and adherence to industry best practices. The assessment emphasizes clean code, ethical programming
standards, and effective problem-solving strategies essential for professional software development and data analysis
roles.
Section One: Questions 1–50
Question 1
What is the primary purpose of the Python interpreter?
A. To compile Python code into machine language before execution
B. To translate and execute Python code line by line at runtime
C. To convert Python code into Java bytecode
D. To serve as a text editor for writing Python scripts
🟢 Correct Answer: B. To translate and execute Python code line by line at runtime
,🔴 Explanation: The Python interpreter reads and executes code line by line, translating it into machine-readable
instructions at runtime without a separate compilation step.
Question 2
Which of the following is an immutable data type in Python?
A. List
B. Dictionary
C. Set
D. Tuple
🟢 Correct Answer: D. Tuple
🔴 Explanation: Tuples are immutable, meaning their contents cannot be changed after creation, unlike lists,
dictionaries, and sets.
Question 3
What will be the output of the following code: print(type()) ?
A. <class 'int'>
B. <class 'float'>
, C. <class 'double'>
D. <class 'decimal'>
🟢 Correct Answer: B. <class 'float'>
🔴 Explanation: The division operator / in Python 3 always returns a float, so yields 2.5 , which is a float.
Question 4
Which keyword is used to define a function in Python?
A. function
B. def
C. func
D. define
🟢 Correct Answer: B. def
🔴 Explanation: The def keyword is used to define functions in Python, followed by the function name and
parameters.
Question 5
What is the correct way to create a dictionary in Python?
