Python Strings

A: Strings can be changed during execution

B. Strings can be enclosed within single, double or even triple quotes

C. Strings are immutable

• A,B & C are True

• A,B are True but C is False

• B, C are True but A is False

• A,C are True but B is False

Find the output of the following code:

>>>str1='Save Soil'

>>>str1.isalnum( )

• Save Soil

• True

• False

Identify the string membership operators of Python

• in, not in

• like, not like

• as, not as

• between, not between

Which is the powerful function used for formatting strings?

• chr( )

• format( )

• title( )

• capitalize( )

The title( ) function

• assigns title

• returns the title of the file

• returns string in title case

Predict the output:

>>>str1="Rajathi Raja"

>>>print(str1.count('Raja'))

• 1

• 2

• Error

• Raja

Match the following:

1. \n A) Carriage return

2. \v B) BackSpace

3. \b C) new line

4. \r D) Vertical tab

• 1-C, 2-D, 3-B, 4-A

• 1-A, 2-C, 3-B, 4-D

• 1-C, 2-D, 3-A, 4-B

• 1-C, 2-A, 3-B, 4-D

Predict the output:

>>>saint="Thiruvalluvar"

>>>print(saint[5:])

• valluvar

• Thiruvalluvar

• uvalluvar

• Thiru

MATCH THE FOLLOWING:

1. concatenation A) +=

2. Append B) [ ]

3. String Slicing C) *

4. Repeating D) +

• 1-B. 2-A, 3-C, 4-D

• 1-D. 2-A, 3-B, 4-C

• 1-A,2-B,3-C,4-D

• 1-A,2-D,3-C,4-B

s="welcome"

print( s. center (15,'*'))

• ***welcome***

• ****welcome****

• ****welcome***

• undefine function center