Python Strings

Strings

Strings in python are surrounded by either single quotation marks, or double quotation marks.

'hello' is the same as "hello".

You can display a string literal with the print() function:

Quotes Inside Quotes

You can use quotes inside a string, as long as they don't match the quotes surrounding the string:

Assign String to a Variable

Assigning a string to a variable is done with the variable name followed by an equal sign and the string:

Multiline Strings

You can assign a multiline string to a variable by using three quotes:

Or three single quotes:

Strings are Arrays

Like many other popular programming languages, strings in Python are arrays of unicode characters.

However, Python does not have a character data type, a single character is simply a string with a length of 1.

Square brackets can be used to access elements of the string.

Looping Through a String

Since strings are arrays, we can loop through the characters in a string, with a for loop.

Learn more about For Loops in our Python For Loops chapter.

String Length

To get the length of a string, use the len() function.

Check String

To check if a certain phrase or character is present in a string, we can use the keyword in.

Use it in an if statement:

Learn more about If statements in our Python If...Else chapter.

Check if NOT

To check if a certain phrase or character is NOT present in a string, we can use the keyword not in.

Use it in an if statement: