Question: 6 -

What will be the output of below Python code?

str1="poWer"

str1.upper()

print(str1)

power

poWer

Power

POWER

Answer:

poWer

Solution:

str1.upper() returns the uppercase of whole string str1. However,it doesnot change the string str1. So, output will be the original str1.

Question: 7 -

What will following Python code return?

str1="Stack of books"
print(len(str1))

13

16

14

15

Answer:

14

Solution:

len() returns the length of the given string str1, including spaces and considering " " as a single character.

Question: 8 -

What will the below Python code will return?

list1=[0,2,5,1]

str1="7"

for i in list1:

	str1=str1+i

print(str1)

15

Error

7

70251

Answer:

Error

Solution:

list1 contains integers as its elements. Hence these cannot be concatenated to string str1 by simple "+" operand. These should be converted to string first by use of str() function,then only these will get concatenated.

Question: 9 -

Guess the correct output of the following code?

str1 = "PYnative"
print(str1[1:4], str1[:5], str1[4:], str1[0:-1], str1[:-1])

None of these

PYn PYnat ive PYnativ vitanYP

Yna PYnat tive PYnativ vitanYP

Yna PYnat tive PYnativ PYnativ

Answer:

Yna PYnat tive PYnativ PYnativ

Solution:

We can use a slice operator [] to get a substring.

Syntax: s[start : end]

Question: 10 -

Which of the following will give "Simon" as output?

If str1="John,Simon,Aryan"

print(str1[-11:-6])

print(str1[-7:-11])

print(str1[-11:-7])

print(str1[-7:-12])

Answer:

print(str1[-11:-6])

Solution:

Slicing takes place at one index position less than the given second index position of the string. So,second index position will be -7+1=-6.