Python sqrt () function

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description

sqrt () method returns the square root of the number x.

grammar

The following is the syntax sqrt () method:

import math

math.sqrt( x )

Note: sqrt () is not directly accessible, you need to import math module, invoke the method through static object.

parameter

• x - numeric expression.

return value

Examples

The following shows an example of using the 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)

After running the above example output is:

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

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