The correct answer is that the program raises a SyntaxError due to invalid escape sequences. This occurs because Python interprets backslashes in strings as the start of an escape sequence, and sequences like `\n` and `\t` are not recognized as valid escape codes—Python 3.12+ raises a `SyntaxError: invalid escape sequence` by default, while earlier versions emit a `DeprecationWarning` that becomes an error in future releases. On the Certified Associate Python Programmer PCAP exam, this tests your understanding of string literals and escape handling, a common trap where candidates forget that only specific sequences like `\n` (newline) or `\t` (tab) are valid, while arbitrary backslash-letter combinations are not. To avoid this, remember the mnemonic: "Backslash needs a buddy—either a raw string `r` or a double backslash `\\` to keep it steady."
PCAP Strings Practice Question
This PCAP practice question tests your understanding of strings. 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.
Exhibit
filepath = "C:\Users\Admin\Documents\file.txt"
with open(filepath, 'r') as f:
content = f.read()
Refer to the exhibit. What is the likely outcome of running this code?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The program raises a SyntaxError due to invalid escape sequences.
Option A is correct because the code contains backslash sequences like `\n` and `\t` that are not valid escape sequences in Python. Python 3.12+ raises a `SyntaxError: invalid escape sequence` by default, and in earlier versions it emits a `DeprecationWarning` that will become an error in future versions. The raw string prefix `r` or escaping the backslash (`\\`) is required to avoid this.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
The program raises a SyntaxError due to invalid escape sequences.
Why this is correct
Correct: \U is an invalid escape sequence in Python.
Related concept
Read the scenario before looking for a memorised answer.
✗
The program runs but the file contents are incorrect.
Why it's wrong here
The program will not run due to the syntax error.
✗
The program raises a FileNotFoundError because the path is invalid after escape interpretation.
Why it's wrong here
The error occurs before the file is opened, at compile time.
✗
The file is opened successfully because backslashes are ignored.
Why it's wrong here
Backslashes are not ignored; they start escape sequences.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Python Institute often tests the misconception that backslashes in strings are always treated literally or that invalid escape sequences are silently ignored, leading candidates to choose options about file operations instead of recognizing the compile-time SyntaxError.
Detailed technical explanation
How to think about this question
In Python, backslashes in string literals start escape sequences (e.g., `\n` for newline, `\t` for tab). Sequences like `\c` or `\x` that do not match defined escapes are now treated as errors (PEP 672, Python 3.12+). This is part of Python's move toward stricter string handling to prevent subtle bugs, especially in file paths on Windows where backslashes are common. Using raw strings (`r"C:\path"`) or doubling backslashes (`"C:\\path"`) is the correct approach.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Strings — This question tests Strings — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The program raises a SyntaxError due to invalid escape sequences. — Option A is correct because the code contains backslash sequences like `\n` and `\t` that are not valid escape sequences in Python. Python 3.12+ raises a `SyntaxError: invalid escape sequence` by default, and in earlier versions it emits a `DeprecationWarning` that will become an error in future versions. The raw string prefix `r` or escaping the backslash (`\\`) is required to avoid this.
What should I do if I get this PCAP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This PCAP 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 PCAP exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.