# Python round() Function with Examples

## How to Use the Python round() Function

In this tutorial, you'll learn how to use the Python round() function. The round() function returns a number rounded to a specified number of digits.

### Python round() Syntax

The syntax of round() is as follows:

round(number[, digits])

### Parameters

• Number: Required. The number that you want to round.
• Digits: Optional. If it is omitted or is None, round() returns the number rounded to the nearest integer.

### Examples

#### Round a Number to 2 Decimal Places

Example:

number = 100.4570
rounded_number = round(number, 2)
print("The rounded number is", rounded_number)

Output:

The rounded number is 100.46

#### Round a Number to 3 Decimal Places

Example:

number = 100.4570
rounded_number = round(number, 3)
print("The rounded number is", rounded_number)

Output:

The rounded number is 100.457

#### Round a Number to the Nearest Integer

Example 1:

number = 220.7570
rounded_number = round(number)
print("The rounded number is", rounded_number)

Output:

The rounded number is 221

Example 2:

number = 220.4970
rounded_number = round(number, None)
print("The rounded number is", rounded_number)

Output :

The rounded number is 220

In this tutorial, you've learned how to use the round() function. The Python round() is a function to round and return a number rounded to a specified number of digits.