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# Python | len method

schedule Aug 11, 2023
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Python's `len(~)` method returns the length (the number of items) of a sequence or collection.

# Parameters

1. `s` | `sequence or collection`

The object to return the number of items / length for.

Type

Examples

Sequence

string, bytes, tuple, list, or range

Collection

dictionary, set, or frozen set

# Return value

The length (number of items) of provided sequence or collection.

# Examples

## String

To retrieve the length of a string:

``` x = 'SkyTowner'len(x) 9 ```

## List

To retrieve the length of a list:

``` y = ['cake', 'cookie', 'cupcake', ['pudding','tea']]len(y) 4 ```

Note that an embedded list will only count as one item.

## Dictionary

To retrieve the length of a dictionary:

``` z = {'1':'one', '2':'two', '3':'three'}len(z) 3 ```
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