String creation and representation in Python - Cheat Sheet & Quick Revision

Recall & Review

beginner

What are the three ways to create a string in Python?

You can create strings using single quotes ('example'), double quotes ("example"), or triple quotes ('''example''' or """example"""). Triple quotes allow multi-line strings.

intermediate

How does Python represent strings internally?

Python stores strings as sequences of Unicode characters, allowing support for many languages and symbols beyond ASCII.

intermediate

What is the difference between raw strings and normal strings in Python?

Raw strings (prefix r or R) treat backslashes (\) as literal characters and do not interpret escape sequences like \n or \t.

beginner

How can you include quotes inside a string without ending it?

You can use different quotes to surround the string than the ones inside it, for example: "He said 'hello'" or 'She said "hi"'. Alternatively, use escape characters like \" or \'.

intermediate

What does the repr() function do with strings?

repr() returns a string representation that shows the string with quotes and escape characters, useful for debugging.

Which of these is a valid way to create a multi-line string in Python?

A Using double quotes " only

B Using single quotes ' only

C Using triple quotes ''' or """

D Using backticks `string`

Triple quotes allow strings to span multiple lines.

What does the prefix r before a string mean in Python?

A It creates a raw string where backslashes are treated literally

B It reverses the string

C It makes the string uppercase

D It removes all spaces

Raw strings do not process escape sequences like \n.

How can you include a double quote inside a string defined with double quotes?

A Use single quotes inside double quotes without escape

B Just type it without any special character

C You cannot include double quotes inside double quotes

D Escape it with a backslash like \"

Escape characters allow including quotes inside strings.

What will repr('Hello\nWorld') return?

A 'Hello\nWorld'

B Hello World

C Hello World

D Error

repr() shows the string with escape characters visible.

Which statement about Python strings is true?

A Strings can only contain ASCII characters

B Strings are sequences of Unicode characters

C Strings are mutable (can be changed)

D Strings must be enclosed in single quotes only

Python strings support Unicode and are immutable.

Explain how to create strings in Python and how to include quotes inside them.

Think about how you can mix quotes or use backslashes.

Describe the difference between normal strings and raw strings in Python.

Consider how \n behaves in each.