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Python Number sqrt() Function


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Description:

This function returns the square root of x for x > 0

Syntax:

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:

Here is the detail of parameters:

  • x: This is a numeric expression.

Return Value:

The square root of x for x > 0

Example:

#!/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)

This will produce following result:

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


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