Quick Answer
The correct choice is the snippet `for item in my_list: print(item.upper())` because it properly calls the `upper()` method on each string element during iteration, converting the string to uppercase before printing. The `for` loop assigns each element of the list to the variable `item` in sequence, and the `upper()` method returns a new string with all alphabetic characters capitalized, which is then passed to `print()`. On the Certified Entry-Level Python Programmer PCEP exam, this question tests your understanding of basic iteration over a list and applying string methods—a common task when you need to transform data during a loop. A frequent trap is forgetting that `upper()` does not modify the original string (strings are immutable) or mistakenly using `print(my_list.upper())`, which fails because `upper()` cannot be called on a list. To remember: think “loop, then method, then print”—each item gets its own uppercase treatment.
This PCEP practice question tests your understanding of computer programming and python fundamentals. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A programmer wants to iterate over a list of strings and print each string in uppercase. Which of the following code snippets will accomplish this?
for item in my_list: print(item.upper)
Why wrong: Prints method object, not result.
for item in my_list: item.upper() print(item)
Why wrong: Missing colon and incorrect syntax.
for i in my_list: print(my_list[i].upper())
Why wrong: i is an element, not an index.
for item in my_list: print(item.upper())
Correct iteration and method call.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
for item in my_list: print(item.upper())
Option D is correct because it correctly calls the `upper()` method on each string `item` in the list `my_list` and prints the result. The `upper()` method returns a new string with all characters converted to uppercase, and the `print()` function outputs that value to the console.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
for item in my_list: print(item.upper)
Why it's wrong here
Prints method object, not result.
for item in my_list: item.upper() print(item)
Why it's wrong here
Missing colon and incorrect syntax.
for i in my_list: print(my_list[i].upper())
Why it's wrong here
i is an element, not an index.
for item in my_list: print(item.upper())
Why this is correct
Correct iteration and method call.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often forget to include parentheses when calling a method (e.g., `item.upper` vs `item.upper()`), or they mistakenly think `upper()` modifies the string in place, leading them to print the original variable instead of the returned value.
Detailed technical explanation
Strings in Python are immutable, so methods like `upper()` never modify the original string; they always return a new string. In a `for` loop over a list, the loop variable holds each element directly, so indexing is unnecessary and often leads to errors. This pattern is fundamental for iterating over sequences efficiently and avoiding off-by-one or type errors.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the PCEP exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Computer Programming and Python Fundamentals — This question tests Computer Programming and Python Fundamentals — Read the scenario before looking for a memorised answer..
The correct answer is: for item in my_list: print(item.upper()) — Option D is correct because it correctly calls the `upper()` method on each string `item` in the list `my_list` and prints the result. The `upper()` method returns a new string with all characters converted to uppercase, and the `print()` function outputs that value to the console.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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.
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