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PCEP Practice Question: Data Types, Variables, Basic I/O and Operators
Order the steps to define and call a function in Python.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
1. Define function using def keyword, 2. Optionally specify parameters in parentheses, 3. Write the indented function body, 4. Call the function by its name.
Function definition starts with def, then the body, parameters are optional, and calling the function executes it.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
1. Define function using def keyword, 2. Optionally specify parameters in parentheses, 3. Write the indented function body, 4. Call the function by its name.
Why this is correct
This order follows Python syntax: function definition starts with def, parameters are optional and placed after the function name, then the colon and indented body. Finally, calling the function executes the defined code.
- ✗
1. Write the indented function body, 2. Define function using def keyword, 3. Optionally specify parameters in parentheses, 4. Call the function by its name.
Why it's wrong here
This is incorrect because the function body must be written after the def statement and colon, not before. Writing the body first does not associate it with any function definition.
- ✗
1. Define function using def keyword, 2. Write the indented function body, 3. Optionally specify parameters in parentheses, 4. Call the function by its name.
Why it's wrong here
This is incorrect because parameters are part of the function signature and must be specified after the function name but before the colon and body. Placing parameters after the body is syntactically invalid.
- ✗
1. Call the function by its name, 2. Define function using def keyword, 3. Optionally specify parameters in parentheses, 4. Write the indented function body.
Why it's wrong here
This is incorrect because you cannot call a function before it is defined. Python requires that the function definition exists in memory before any call to it.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCEP practice question is part of Courseiva's free Python Institute certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCEP exam.