Quick Answer
The correct answer is `from ..utils import helper` because the double-dot prefix in a Python relative import navigates up one level to the parent package, which in this case is `data`, and then accesses the sibling module `utils` from there. This is the standard mechanism for relative imports in packages: a single dot refers to the current package, two dots to the parent, and three to the grandparent, allowing modules within the same package hierarchy to reference each other without hardcoding absolute paths. On the Certified Associate Python Programmer PCAP exam, this concept tests your understanding of package structure and the `__init__.py` file’s role in defining packages, often appearing in questions about intra-package dependencies. A common trap is confusing a single dot (current package) with two dots (parent), so remember that siblings require stepping up first. Memory tip: think of `..` as “go up one directory level” just like in a file system, then specify the sibling module.
This PCAP practice question tests your understanding of modules and packages. 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.
Inside a package 'data', there is a subpackage 'io' and a module 'utils'. Which import statement inside the 'io' subpackage correctly imports the 'helper' function from the sibling module 'utils'?
from ..utils import helper
Correct relative import: two dots refer to the parent package, then utils.
import data.utils.helper
Why wrong: Invalid syntax; import cannot use dotted path for final attribute.
from .utils import helper
Why wrong: Single dot refers to the current package (io), not the sibling utils.
from data.io.utils import helper
Why wrong: This path would require utils to be inside io, but it is a sibling.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
from ..utils import helper
Option A is correct because the `..` prefix in a relative import refers to the parent package (`data`), and then `utils` is a sibling module of `io` within that parent package. This allows the `io` subpackage to import the `helper` function from the sibling module `utils` using `from ..utils import helper`.
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.
from ..utils import helper
Why this is correct
Correct relative import: two dots refer to the parent package, then utils.
Related concept
Read the scenario before looking for a memorised answer.
import data.utils.helper
Why it's wrong here
Invalid syntax; import cannot use dotted path for final attribute.
from .utils import helper
Why it's wrong here
Single dot refers to the current package (io), not the sibling utils.
from data.io.utils import helper
Why it's wrong here
This path would require utils to be inside io, but it is a sibling.
Common exam traps
Python Institute often tests the distinction between a single dot (`.` for same-package siblings) and double dots (`..` for parent-package siblings), causing candidates to mistakenly use `from .utils import helper` when the target module is in the parent package, not the current one.
Detailed technical explanation
Relative imports in Python rely on the `__package__` attribute to resolve dot-based paths; `..` moves up one level in the package hierarchy, which is essential for intra-package references. This mechanism prevents hardcoding the top-level package name, making the code more portable if the package is renamed or nested. In real-world projects, relative imports are commonly used in large packages like `django` or `flask` to keep internal dependencies clean and avoid circular imports.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Modules and Packages — This question tests Modules and Packages — Read the scenario before looking for a memorised answer..
The correct answer is: from ..utils import helper — Option A is correct because the `..` prefix in a relative import refers to the parent package (`data`), and then `utils` is a sibling module of `io` within that parent package. This allows the `io` subpackage to import the `helper` function from the sibling module `utils` using `from ..utils import helper`.
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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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. In module_b.py, the developer writes: from mypackage import module_a. When running a script that imports mypackage, an ImportError occurs. Which change should solve the issue?
hardWhy A: Option A is correct because the error occurs when module_b.py is inside the mypackage directory but uses an absolute import (from mypackage import module_a) that fails when mypackage is not on sys.path or is being executed as a script. Changing to a relative import (from .. import module_a) makes the import relative to the current module's location, allowing module_b to import module_a from its parent package without relying on the package being installed or on sys.path.
Last reviewed: Jun 30, 2026
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