Python - Strings

In Python, what symbol do you use to concatenate a string?

• *

• -

• +

• /

What is the output of this code?

fruit = "apple"

print (len(fruit))

• 2

• 3

• 4

• 5

What is the output of this code?

message = "I love Computer Science!"

print (len(message))

• 21

• 22

• 23

• 24

What is the output of this code?

homework = "Mrs Stephenson, can I have extra homework?"

print (len(homework))

• 12

• 22

• 32

• 42

What is the output of this code?

colour = "Green"

print (colour.upper())

• Green

• GREEN

• Syntax error

• green

What is the output of this code?

Subject = "Computer Science"

print (Subject.lower())

• 16

• COMPUTER SCIENCE

• computer science

• Syntax error

What is the output of this code?

animal = "cat"

print (cat.lower())

• CAT

• cat

• 3

• Syntax error

Answer explanation

Wrong variable name.

Incorrect

animal = "cat"

print (animal.lower())

Correct

animal = "cat"

print (animal.lower())

What is the output of this code?

topic = "String Manipulation"

print(topic[0:3])

• Syntax error

• Str

• ion

• 3

Answer explanation

topic = "String Manipulation"

print(topic[0:3])

Str because it is the first 3 characters starting from 0. 0 = S, 1 = t , 2 = r.

What is the output of this code?

topic = "String Manipulation"

print(topic[-4:])

• 19

• Syntax error

• tion

• Stri

Answer explanation

topic = "String Manipulation"

print(topic[-4:])

-4 is the last 4 characters of the string. The output is 'tion'

What is the output of this code?

topic = "String Manipulation"

print(topic[5:-5])

• String

• Syntax error

• g Manipul

• ation

Answer explanation

Answer is: g Manipul

The first 5 and the last 5 characters are removed from the string.

topic = "String Manipulation"

print(topic[5:-5])