Python Hackerrank Sulution Quiz Answers

1. A sample module named sample_module.py contained the following contents.

def mul(x, y):
    """Multiplies two given numbers and returns the product.
    >>> mul(6, 7)
    42
    >>> mul(-8, 7)
    >>> -56
    """
    return x * y

What is the expected output when you run the doctests using below command?

python -m doctest sample_module.py

Output stating 2 failures

Output stating 2 tests passed

Output stating 3 failures

Output stating 3 tests passed

2. Which of the following doctest directive is used for not considering or executing a specific doctest?

# doctest: +ERASE

# doctest: +IGNORE

# doctest: +SKIP

# doctest: +NEGLECT

3. Which of the following doctest directive is used to deal with unexpected whitespace that appears in the output?

# doctest: +NORMALIZE_WHITESPACE

# doctest: +NORMALIZE_WHITE_SPACE

# doctest: +WHITE_SPACE

# doctest: +WHITESPACE

4. Which of the following is a docstring?

A Function

A Module

A Multiline string

A Class

5. Which of the following special attribute can be used to access a doc string in a program?

__docstr__

__doc__

__str__

__document__