QUIZ ON : python - FUNCTIONS IN PYTHON

FUNCTIONS IN PYTHON

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Question No# : 01 out of 50

To which of the following the "in" operator can be used to check if an item is in it?

A. Lists

B. Dictionary

C. String

D. All of the mentioned

Question No# : 02 out of 50

Which is the most appropriate definition for recursion?

A. A function that calls itself

B. A function execution instance that calls another execution instance of the same function

C. A class method that calls another class method

D. An in-built method that is automatically called

Question No# : 03 out of 50

What is the length of sys.argv?

A. number of arguments

B. number of arguments + 1

C. number of arguments – 1

D. none of the mentioned

Question No# : 04 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# : 05 out of 50

What is tail recursion?

A. A recursive function that has two base cases

B. A function where the recursive functions leads to an infinite loop

C. A recursive function where the function doesn’t return anything and just prints the values

D. A function where the recursive call is the last thing executed by the function

Question No# : 06 out of 50

A statement is used when a statement is required syntactically but you do not want any code to execute.

A. break

B. pass

C. continue

D. none of these

Question No# : 07 out of 50

What will be the output of the following?<pre>def iq(a,b):     if(a==0):        return b     else:        return iq(a-1,a+b) print(iq(3,6))</pre>

A. 9

B. 10

C. 11

D. 12

Question No# : 08 out of 50

Which of the following functions converts date to corresponding time in Python?

A. strptime()

B. strftime()

C. Both A and B

D. None of the above

Question No# : 09 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# : 10 out of 50

What will be the output of the following Code?<pre>def sum(x): return x*x print(sum(4))</pre>

A. 16

B. 4

C. 8

D. 64

Question No# : 11 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# : 12 out of 50

The sequence logic will not be used while

A. Subtracting two numbers

B. Comparing two data values

C. Providing output to the user

D. Adding two numbers

Question No# : 13 out of 50

What is a variable defined outside a function referred to as ?

A. A static variable

B. A global variable

C. A local variable

D. An automatic variable

Question No# : 14 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# : 15 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# : 16 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

Question No# : 17 out of 50

What is recursion in python?

A. Repeating a process in a loop

B. Calling a function from within itself

C. Using a loop to iterate over elements

D. Breaking down a problem into smaller subproblems

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

Recursive function is

A. A function that calls itself

B. A function that calls other functions

C. Both (A) and (B)

D. None of the above

Question No# : 20 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# : 21 out of 50

How do you define a function in Python?

A. def function function_name():

B. declare function function_name():

C. def function_name():

D. declare function_name():

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

Which of the following functions does not throw an error?

A. ord()

B. ord(‘ ‘)

C. ord(”)

D. ord(“”)

Question No# : 24 out of 50

The function divmod(a,b), where both ‘a’ and ‘b’ are integers is evaluated as:

A. (a%b, a//b)

B. (a//b, a%b)

C. (a//b, a*b)

D. (a/b, a%b)

Question No# : 25 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# : 26 out of 50

Given a function that does not return any value, what value is shown when executed at the shell ?

A. int

B. bool

C. void

D. None

Question No# : 27 out of 50

What is a recursive function?

A. A function that calls other function.

B. A function which calls itself.

C. Both A and B

D. None of the above

Question No# : 28 out of 50

Which module in the python standard library parses options received from the command line?

A. getopt

B. os

C. getarg

D. main

Question No# : 29 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# : 30 out of 50

Which of the following functions does not necessarily accept only iterables as arguments?

A. enumerate()

B. all()

C. chr()

D. max()

Question No# : 31 out of 50

What is the output of the following code?<pre>x = 50 def func (x):     x = 2 func (x) print ('x is now', x)</pre>

A. x is now 50

B. x is now 2

C. x is now 100

D. Error

Question No# : 32 out of 50

What is the value of the following Python code?<pre>>>>print(36 / 4)</pre>

A. 9

B. 4

C. 9.0

D. 4.0

Question No# : 33 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# : 34 out of 50

What will be the output of the following Python code?<pre>def foo(x):     x[0] = ['def']     x[1] = ['abc']     return id(x) q = ['abc', 'def'] print(id(q) == foo(q))</pre>

A. True

B. False

C. None

D. Error

Question No# : 35 out of 50

Which of the following function headers is correct ?

A. def fun (a = 2, b = 3, c)

B. def fun(a = 2, b, c = 3)

C. def fun(a, b = 2, c = 3)

D. def fun(a, b, c = 3, d)

Question No# : 36 out of 50

If return statement is not used inside the function, the function will return:

A. None

B. 0

C. Null

D. Arbitary value

Question No# : 37 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# : 38 out of 50

How are variable length arguments specified in the function heading?

A. one star followed by a valid identifier

B. one underscore followed by a valid identifier

C. two stars followed by a valid identifier

D. two underscores followed by a valid identifier

Question No# : 39 out of 50

____ keyword used for function in python

A. fun

B. function

C. def

D. define

Question No# : 40 out of 50

Which of the following is a unit of code that is often defined within a greater code structure?

A. Subroutines

B. Function

C. Files

D. Modules

Question No# : 41 out of 50

Which of the following functions is a built-in function in pythonn

A. factorial()

B. print()

C. seed()

D. sqrt()

Question No# : 42 out of 50

What is the output of the following code ?<pre>def disp(*arg):     for i in arg:         print(i) disp(name="Rajat", age="20")</pre>

A. TypeError

B. Rajat 20

C. Name age

D. None of these

Question No# : 43 out of 50

Which of the following statements is false about recursion?

A. Every recursive function must have a base case

B. Infinite recursion can occur if the base case isn’t properly mentioned

C. A recursive function makes the code easier to understand

D. Every recursive function must have a return value

Question No# : 44 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# : 45 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# : 46 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# : 47 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# : 48 out of 50

The values which are passed to a function definition are called

A. Arguments

B. Subroutines

C. Function

D. Definition

Question No# : 49 out of 50

The code block within every function starts with a ____ ?

A. ;

B. : :

C. :

D. %

Question No# : 50 out of 50

The small sections of code that are used to perform a particular task is called

A. Subroutines

B. Files

C. Pseudo code

D. Modules