How to use the sqrt function in Python

How to use the sqrt function in Python? The following is an introduction to the sqrt function:

The Python number sqrt() function returns the square root of x (x > 0).

Syntax

The following is the syntax of the sqrt() method-

import math
math.sqrt( x )

Note - This function is not directly accessible, you need to import the math module, and then you need to use the math static object to call this function.

Parameters

x - This is a numeric expression.

Return value

This method returns the square root of x (x > 0).

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

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Example

import math   # 导入 math 模块 
print ("math.sqrt(100) : ", math.sqrt(100))
print ("math.sqrt(7) : ", math.sqrt(7))
print ("math.sqrt(math.pi) : ", math.sqrt(math.pi))

The output result after running the above example is :

math.sqrt(100) :  10.0
math.sqrt(7) :  2.6457513110645907
math.sqrt(math.pi) :  1.7724538509055159

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