Python Programming Quiz 4th Week Quiz Solution 2020

 Python Programming Quiz – 4th 

Week Quiz Solution

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[1] How do you declare a dictionary in python ?

 (a): dict = {“key”:”value”}

(b): dict [“key”:”value”]

(c): Dict = {“key” – “value”}

(d): Dict = [“key”:”value”]

Answer: (a) dict = {“key”:”value”}

Reason :- In Python, a Dictionary can be created by placing sequence of elements within curly {} braces, separated by 'comma'. Dictionary holds a pair of values, one being the Key and the other corresponding pair element being its Key:value . the answer is

 dict = {“key”:”value”}

[2] What will be the output of the following code dict = { x:x for x in range(1,2) } print(dict)

(a): {}

(b): {x:x,x:x,x:x}

(c): {1: 1, 2: 2}

(d): None of the above

Answer:(c) {1: 1, 2: 2}

Reason :-  the output of the following code dict = { x:x for x in range(1,2) } print(dict) , answer is 

(c) {1: 1, 2: 2} . 

[3] In python 3.x, Which of the statement is true for following code: age = input (“Please enter your age”)

(a): age will be integer type

(b): it removes trailing spaces

(c): age variable's type will be Whatever type is given to it

(d): None of the above

Answer: (d): None of the above

Reason:- In python 3.x is true for following code: age = input (“Please enter your age”) , so it is age variable's type  and the answer is none of the above .

[4] What will be the output of the following program

int =5

while int >=-1:

print (int)

int = int -1

(a): 4 3 2

(b): 5 4 3 2

(c): 5 4 3

(d): 5 4 3 2 1

Answer:(b) 5 4 3 2 

Reason :- the output of the following program it is option (b) 5 4 3 2 .because this is program code .

[5] What will be the output of the following program .

int =3

while int >=2:

    print (int)

    int = 1

(a): 3

(b): 2

(c): 3 2

(d): Error in code

Answer:(c) 3 2

Reason:- the output of program is option (c)  3 2 because print (int) is the first integer of 3 , ( int ) = 3 , and while int is >=2 so the value of  output is 3 ,2  .