The **range() function** in Python is used to generate a sequence of numbers. It can take **atleast one** (**stop**) and **atmost 3** arguments: **start**, **stop**, and **step**.

- The
**start argument**is the first number in the sequence and is optional, if not provided it**defaults to 0**. - The
**stop argument**is the last number in the sequence (not included) and is required. - The
**step argument**is the difference between each number in the sequence and is optional, if not provided it**defaults to 1**.

The **range()** function returns a **range object**, which is an iterable sequence of numbers. It can be used in a for loop or **converted to a list** using the **list()** function.

### Here are some examples of how to use the range() function:

**Generating a sequence of numbers from 0 to 9:**

for i in range(10): print(i)

This will output:

0 1 2 3 4 5 6 7 8 9

In the above example **0** (default value) will act as start argument, **10** will act as a stop argument and **1** (default value) will act as step argument of range() function.

**Generating a sequence of numbers from 5 to 9:**

for i in range(5, 9): print(i)

This will output:

5 6 7 8 9

In the above example **5** will act as start argument, **9** will act as a stop argument and **1** (default value) will act as step argument of range() function.

**Generating a sequence of even numbers from 0 to 8:**

for i in range(0, 9, 2): print(i)

This will output:

0 2 4 6 8

In the above example **0** will act as start argument, **9** will act as a stop argument and **2** will act as step argument of range() function.

**Converting a range object to a list:**

nums = list(range(5)) print(nums)

This will output:

[0, 1, 2, 3, 4]

It’s important to note that p**ython 3.x range()** function returns an **iterator**, which is different than **python 2.x** where it returns a **list**.