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# Python | range constructor

schedule Aug 10, 2023
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Python's `range(~)` constructor returns an immutable sequence with a series of numbers within a given range.

# Parameters

1. `start`link | `int` | `optional`

The start integer for the sequence (inclusive). Default 0.

2. `stop` | `int`

The stop integer for the sequence (non-inclusive).

3. `step`link | `int` | `optional`

Increment for each integer in the sequence. Defaults to 1.

# Return value

An immutable sequence with a series of numbers within a given range.

# Examples

## Basic usage

To return a range object that begins at `0` and ends at `5` (non inclusive):

``` range(5) range(0, 5) ```

## Start parameter

To create a list starting from `1` and ending at `5` (non inclusive) from a range object:

``` list(range(1, 5)) [1, 2, 3, 4] ```

Note that we return a list that starts at `1` and stops at `5` (non inclusive).

## Step parameter

To specify a step of `2` for the sequence:

``` for i in range(1, 10, 2): print(i) 13579 ```

From start value of `1`, we increment by `2` until we reach the stop value of `10`.

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