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Python Questions Set 178:

Quiz Mode

What is returned by math.isfinite(float(‘inf’))?

True

False

None

error

Solution:

>>> a = 10

>>> b = "Hello world"

>>> print(a + b)

Error

Hello world

10Hello world

Hello

Solution:

Which of the following is known as a nested-if construct?

if-else

if-elif-else

elif

switch

Solution:

The ______ is used for protection against Cross-Site Request Forgeries.

view

csrf_token

QuerySet

Solution:

Which of the following returns a string that represents the present working directory?

os.cwd()

os.pwd()

os.getcwd()

os.getpwd()

Solution:

What will be the output of the following Python code?

`names1 = ['Amir', 'Bala', 'Charlie']`

`names2 = [name.lower() for name in names1]`

`print(names2[2][0]`

Solution:

In which order are the operators of same precedence evaluated in python interpreter.

left to right

right to left

depends on the user instructions

depends on machine

Solution:

Which of the following isn’t true about dictionary keys?

More than one key isn’t allowed

Keys must be immutable

Keys must be integers

When duplicate keys encountered, the last assignment wins

Solution:

What will be the output of the following Python code?

`>>> s={5,6} >>> s*3`

Error as unsupported operand type for set data type

{5,6,5,6,5,6}

{5,6}

Error as multiplication creates duplicate elements which isn’t allowed

Solution:

What will be the output of the following Python code?

`sentence = 'horses are fast' regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)') matched = re.search(regex, sentence) print(matched.groupdict())`

(‘horses’, ‘are’, ‘fast’)

‘horses are fast’

‘are’

{‘animal’: ‘horses’, ‘verb’: ‘are’, ‘adjective’: ‘fast’}

Python Questions Set 178:

What is returned by math.isfinite(float(‘inf’))?

Solution:

>>> a = 10

>>> b = "Hello world"

>>> print(a + b)

Solution:

Which of the following is known as a nested-if construct?

Solution:

The ______ is used for protection against Cross-Site Request Forgeries.

Solution:

Which of the following returns a string that represents the present working directory?

Solution:

What will be the output of the following Python code?

`names1 = ['Amir', 'Bala', 'Charlie']`

`names2 = [name.lower() for name in names1]`

`print(names2[2][0]`

Solution:

In which order are the operators of same precedence evaluated in python interpreter.

Solution:

Which of the following isn’t true about dictionary keys?

Solution:

What will be the output of the following Python code?

`>>> s={5,6} >>> s*3`

Solution:

What will be the output of the following Python code?

`sentence = 'horses are fast' regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)') matched = re.search(regex, sentence) print(matched.groupdict())`

Solution:

Related Question Sets:

Related Topics:

Python Questions Set 178:

What is returned by math.isfinite(float(‘inf’))?

Solution:

>>> a = 10 >>> b = "Hello world" >>> print(a + b)

Solution:

Which of the following is known as a nested-if construct?

Solution:

The ______ is used for protection against Cross-Site Request Forgeries.

Solution:

Which of the following returns a string that represents the present working directory?

Solution:

What will be the output of the following Python code? names1 = ['Amir', 'Bala', 'Charlie'] names2 = [name.lower() for name in names1] print(names2[2][0]

Solution:

In which order are the operators of same precedence evaluated in python interpreter.

Solution:

Which of the following isn’t true about dictionary keys?

Solution:

What will be the output of the following Python code? >>> s={5,6} >>> s*3

Solution:

What will be the output of the following Python code? sentence = 'horses are fast' regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)') matched = re.search(regex, sentence) print(matched.groupdict())

Solution:

Related Question Sets:

Related Topics:

>>> a = 10

>>> b = "Hello world"

>>> print(a + b)

What will be the output of the following Python code?

`names1 = ['Amir', 'Bala', 'Charlie']`

`names2 = [name.lower() for name in names1]`

`print(names2[2][0]`

What will be the output of the following Python code?

`>>> s={5,6} >>> s*3`

What will be the output of the following Python code?

`sentence = 'horses are fast' regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)') matched = re.search(regex, sentence) print(matched.groupdict())`