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Python | range constructor

Built-in Functions
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schedule Jul 1, 2022
Last updated
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Python's range(~) constructor returns an immutable sequence with a series of numbers within a given range.

Parameters

1. startlink | int | optional

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

2. stop | int

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

3. steplink | 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)
1
3
5
7
9

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

robocat
Published by Isshin Inada
Edited by 0 others
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