What is the result of 'Hello' + 'World' in Python?

• 'HelloWorld'
• 'Hello World'
• 'Hello+World'
• Error

Which operator is used to repeat a string multiple times?

• *
• +
• /
• -

Which method is used to append a string at the end of another string?

• append()
• extend()
• +=
• concatenate()

Strings in Python are:

• Mutable
• Immutable
• Both
• None of the above

What will be the output of 'Python'[-1]?

• 'P'
• 'n'
• 'o'
• Error

Which function converts a character into its Unicode code?

• ord()
• chr()
• ascii()
• code()

What does chr(97) return?

• '97'
• 'a'
• 'chr(97)'
• 'A'

What is the output of 'Python'[2:5]?

• 'yth'
• 'tho'
• 'Pyt'
• 'tho'

Which operator is used to check if a substring exists in a string?

• in
• not in
• exists
• contains

What will 'abc' * 3 return?

• 'abcabcabc'
• 'abcabc'
• Error
• 'abc * 3'