Formatting and Decorators

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What will be the output of the following Python code?

D=dict(p='Exam', q='Veda')
'{p}{q}'.format(**D)

A) Error B) ExamVeda C) Exam Veda D) {'Exam', 'Veda'}

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What will be the output of the following Python code?

'{a}{b}{a}'.format(a='hello', b='world')

A) 'hello world' B) 'hello' 'world' 'hello' C) 'helloworldhello' D) 'hello' 'hello' 'world'

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In Python, what is the role of the @functools.lru_cache decorator?

A) Cache function results B) Decorate GUI elements C) Convert functions to methods D) Create wrappers for functions

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is the purpose of a decorator in Python?

A) Modify the behavior of functions B) Decorate GUI elements C) Add comments to code D) Convert types of variables

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What will be the output of the following Python code snippet?

x=3.3456789
'%f | %e | %g' %(x, x, x)

A) Error B) '3.3456789 | 3.3456789+00 | 3.345678' C) '3.345678 | 3.345678e+0 | 3.345678' D) '3.345679 | 3.345679e+00 | 3.34568'

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which of the following formatting options can be used in order to add 'n' blank spaces after a given string 'S'?

A) print("-ns"%S) B) print("-ns"%s) C) print("%ns"%S) D) print("%-ns"%S)

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What will be the output of the following Python code?

s='%s, %s & %s'
s%('mumbai', 'kolkata', 'delhi')

A) mumbai kolkata & delhi B) Error C) No output D) 'mumbai, kolkata & delhi'

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In Python, what is the primary use of the super() function in a subclass constructor?

A) Call a method in the parent class B) Initialize superclass C) Access instance methods D) Define class variables

Discuss

Answer & Solution

Answer: Option B

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In Python, what is the purpose of the @property decorator?

A) Define getter methods B) Set the value of attributes C) Define instance methods D) Define class methods

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What will be the output of the following Python code?

def ordi():
	print("Ordinary")
ordi
ordi()

A) Address
Ordinary B) Error
Address C) Ordinary
Ordinary D) Ordinary
Address

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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