Python Number sqrt() Method

Description

The method sqrt() returns the square root of x for x > 0.

Syntax

Following is the syntax for sqrt() method

import math

math.sqrt( x )

Note: This function is not accessible directly so we need to import math module and then we need to call this function using math static object.

Parameters

• x -- This is a numeric expression.

Return Value

This method returns square root of x for x > 0.

Example

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

#!/usr/bin/python
import math   # This will import math module

print "math.sqrt(100) : ", math.sqrt(100)
print "math.sqrt(7) : ", math.sqrt(7)
print "math.sqrt(math.pi) : ", math.sqrt(math.pi)

Let us compile and run the above program, this will produce the following result:

math.sqrt(100) :  10.0
math.sqrt(7) :  2.64575131106
math.sqrt(math.pi) :  1.77245385091