Python 3 - Number round() Method

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Description

round() is a built-in function in Python. It returns x rounded to n digits from the decimal point.

Syntax

Following is the syntax for the round() method −

round( x [, n]  )

Parameters

x − This is a numeric expression.

n − Represents number of digits from decimal point up to which x is to be rounded. Default is 0.

Return Value

This method returns x rounded to n digits from the decimal point.

Example

The following example shows the usage of round() method.

#!/usr/bin/python3

print ("round(70.23456) : ", round(70.23456))
print ("round(56.659,1) : ", round(56.659,1))
print ("round(80.264, 2) : ", round(80.264, 2))
print ("round(100.000056, 3) : ", round(100.000056, 3))
print ("round(-100.000056, 3) : ", round(-100.000056, 3))

Output

When we run the above program, it produces the following result −

round(70.23456) :  70
round(56.659,1) :  56.7
round(80.264, 2) :  80.26
round(100.000056, 3) :  100.0
round(-100.000056, 3) :  -100.0