QUIZ ON : python - FUNCTIONS IN PYTHON

FUNCTIONS IN PYTHON

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Question No# : 01 out of 50

What is the main advantage of using functions?

A. Increases code duplication

B. Reduces code reusability

C. Promotes code reusability and modularity

D. Makes program slower

Question No# : 02 out of 50

What will be the output of the following Python code?<pre>def foo():     return total + 1 total = 0 print(foo())</pre>

A. 0

B. 1

C. error

D. none of the mentioned

Question No# : 03 out of 50

What is the output of the following?<pre>x=123 for i in x:     print(i)</pre><div> </div>

A. 1 2 3

B. 123

C. Error

D. none of these

Question No# : 04 out of 50

What will be the output?<pre>def fun(a, b=5):     print(a+b) fun(10, 20)</pre>

A. 15

B. 30

C. 25

D. Error

Question No# : 05 out of 50

Structured program can be broken into to assign to more than one developer

A. Segments

B. Modules

C. Units

D. All the above

Question No# : 06 out of 50

Which of the following functions does not throw an error?

A. ord()

B. ord(‘ ‘)

C. ord(”)

D. ord(“”)

Question No# : 07 out of 50

What is the output of the following code?<pre>def s(n1):     print(n1)     n1=n1+2 n2=4 s(n2) print(n2)</pre><div> </div>

A. 6 4

B. 4 6

C. 4 4

D. 6 6

Question No# : 08 out of 50

You can also create your own functions, these functions are called?

A. built-in functions

B. user-defined functions

C. py function

D. None of the above

Question No# : 09 out of 50

What is the output of the following code ?<pre>def add(a, b):        return a+5, b+5 result = add(3,2) print(result)</pre><div> </div>

A. 15

B. 8

C. (8,7)

D. Error

Question No# : 10 out of 50

Which keyword is used for function in Python language?

A. function

B. def

C. fun

D. define

Question No# : 11 out of 50

Which of these is not true about recursion?

A. It’s easier to code some real-world problems using recursion than non-recursive equivalent

B. Recursive functions are easy to debug

C. Recursive calls take up a lot of memory

D. Programs using recursion take longer time than their non-recursive equivalent

Question No# : 12 out of 50

The values which are passed to a function definition are called

A. Arguments

B. Subroutines

C. Function

D. Definition

Question No# : 13 out of 50

What will be the output of following?<pre>Y=[2,5J,6] Y.sort()</pre>

A. [2,6,5J]

B. [5J,2,6]

C. Error

D. [6,5J,2]

Question No# : 14 out of 50

Which of the following functions is a built-in function in python?

A. seed()

B. sqrt()

C. factorial()

D. print()

Question No# : 15 out of 50

def keyword use for?

A. Define keyword in python

B. Define variable in python

C. Define function in python

D. All of the above

Question No# : 16 out of 50

Which of the following is TRUE about lambda functions?

A. Can contain multiple statements

B. Can have only one expression

C. Must use return statement

D. Cannot take arguments

Question No# : 17 out of 50

What is recursion?

A. Calling one function from another function

B. Calling a function repeatedly from itself

C. Using nested loops

D. Using lambda functions

Question No# : 18 out of 50

find the output of following code:<pre>def add(a,b):     return(a+b) print(add(3,4))</pre>

A. 4

B. 7

C. 9

D. 8

Question No# : 19 out of 50

The *args parameter stores arguments as:

A. List

B. Tuple

C. Dictionary

D. Set

Question No# : 20 out of 50

What will be the output of the following Python function?<pre>len(["hello",2, 4, 6])</pre>

A. 4

B. 3

C. Error

D. 6

Question No# : 21 out of 50

What will be the output of the following Python code?<pre>def f1(a,b=[]):     b.append(a)     return b print(f1(2,[3,4]))</pre><div> </div>

A. [3,2,4]

B. [2,3,4]

C. Error

D. [3,4,2]

Question No# : 22 out of 50

What will be the output of the following Python code?<pre>example = "helle" print(example.rfind("e")) </pre>

A. 1

B. 2

C. 4

D. 5

Question No# : 23 out of 50

what is Lambda function in python

A. A built-in Python function

B. A one-line anonymous function

C. Lambda is a function in python but user can not use it.

D. None of the above

Question No# : 24 out of 50

Which of the following is a distinct syntactic block?

A. Subroutines

B. Function

C. Definition

D. Modules

Question No# : 25 out of 50

What is the scope of a function parameter?

A. Global Scope

B. Built-in Scope

C. Local Scope

D. Module Scope

Question No# : 26 out of 50

What is the return type of following function ?<pre>def func1():        return 'mnp',22 print(type(func1()))</pre>

A. List

B. Dictionary

C. String

D. Tuple

Question No# : 27 out of 50

What is the correct syntax of a lambda function?

A. lambda x => x+1

B. lambda(x): x+1

C. lambda x: x+1

D. def lambda(x): x+1

Question No# : 28 out of 50

Which of the following data structures is returned by the functions globals() and locals()?

A. list

B. set

C. dictionary

D. tuple

Question No# : 29 out of 50

Which of the following modules need to be imported to handle date time computations in Python?

A. datetime

B. date

C. time

D. timedate

Question No# : 30 out of 50

What happens if the base condition isn’t defined in recursive programs?

A. Program gets into an infinite loop

B. Program runs once

C. Program runs n number of times where n is the argument given to the function

D. An exception is thrown

Question No# : 31 out of 50

What will be the output of the following Python code?<pre>print("xyyzxyzxzxyy".count('yy'))</pre>

A. 2

B. 0

C. error

D. none of the mentioned

Question No# : 32 out of 50

Suppose there is a list such that: l=[2,3,4]. If we want to print this list in reverse order, which of the following methods should be used?

A. reverse(l)

B. list(reverse[(l)])

C. reversed(l)

D. list(reversed(l))

Question No# : 33 out of 50

What will be the output of the following Python function?<pre>min(max(False,-3,-4), 2,7)</pre>

A. 2

B. False

C. -3

D. -4

Question No# : 34 out of 50

How many keyword arguments can be passed to a function in a single function call?

A. zero

B. one

C. zero or more

D. one or more

Question No# : 35 out of 50

What will be displayed by print(ord(‘b’) – ord(‘a’))?

A. 0

B. 1

C. -1

D. 2

Question No# : 36 out of 50

What will be the output of the following Python code?<pre>x='abcd' for i in x:     print(i.upper())</pre><div> </div>

A. a BCD

B. abcd

C. error

D. A B CD

Question No# : 37 out of 50

What is the output of the following code ?<pre>def fun(a, b=6):     a=a+b     print(a) fun(5, 4)</pre><div> </div>

A. 11

B. 9

C. 5

D. 4

Question No# : 38 out of 50

How are default arguments specified in the function heading?

A. identifier followed by an equal to sign and the default value

B. identifier followed by the default value within backticks (“)

C. identifier followed by the default value within square brackets ([])

D. identifier

Question No# : 39 out of 50

Which of the following is an anonymous function in Python?

A. Recursive Function

B. Lambda Function

C. Built-in Function

D. Generator Function

Question No# : 40 out of 50

Which argument type allows specifying parameter names during function call?

A. Positional

B. Keyword

C. Default

D. Variable

Question No# : 41 out of 50

What is the output of the following<pre style="font-size: 12.6px; letter-spacing: 0.14px;">y='klmn' for i in range(len(y)):     print(y)</pre>

A. klmn klmn klmn klmn

B. k

C. kkk

D. None of the these

Question No# : 42 out of 50

The variables in a function definition are called as

A. Subroutines

B. Function

C. Definition

D. Parameters

Question No# : 43 out of 50

Which of the following is NOT a valid type of argument in Python?

A. Required Argument

B. Keyword Argument

C. Default Argument

D. Decimal Argument

Question No# : 44 out of 50

Which of these is not true about recursion?

A. Making the code look clean

B. A complex task can be broken into sub-problems

C. Recursive calls take up less memory

D. Sequence generation is easier than a nested iteration

Question No# : 45 out of 50

What will be the output of the following Python code?<pre>print("ccdcddcd".find("c"))</pre>

A. 4

B. 0

C. Error

D. True

Question No# : 46 out of 50

____ keyword used for function in python

A. fun

B. function

C. def

D. define

Question No# : 47 out of 50

Function defined to achieve some task as per the programmers requirement is called a :

A. User Defined Function

B. Library Functions

C. Builtin Functions

D. All of the above

Question No# : 48 out of 50

Which one of the following is the correct way of calling a function?

A. function_name()

B. call function_name()

C. ret function_name()

D. function function_name()

Question No# : 49 out of 50

What will be the output of the following Python code?<pre>from math import factorial print(math.factorial(5))</pre><div> </div>

A. 120

B. Nothing is printed

C. NameError: name 'math' is not defined

D. Error, the statement should be print factorial(5))

Question No# : 50 out of 50

What will be the output of the following Python code?<pre>def foo(x):     x = ['def', 'abc']     return id(x) q = ['abc', 'def'] print(id(q) == foo(q))</pre>

A. True

B. False

C. None

D. Error