  # Python Number Pow() Method

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## Description

The pow() method in Python number returns x to the power of y. If in case the third argument (z) is provided, then it functions as i.e. pow(x, y) % z i.e. it returns x to the power of y modulus z. This function in Python is used when an individual requires to derive the power of variable x to the variable y. If in a specified situation, the user may include a third variable which is z into the equation, and then the pow() method in Python number returns x to the power of y, modulus of z. In mathematical terms, this looks somewhat like this, pow(x, y) % z.

### Syntax

Following is the syntax for pow() method:

```import math

math.pow( x, y[, z] )```

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

### Parameters

• x - number which is to be powered.
• y - number which is to be powered with x
• z - (Optional) number which is to be used for modulus operation

### Return Value

This method returns the value of xy.

### Example

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

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

print "math.pow(100, 2) : ", math.pow(100, 2)
print "math.pow(100, -2) : ", math.pow(100, -2)
print "math.pow(2, 4) : ", math.pow(2, 4)
print "math.pow(3, 0) : ", math.pow(3, 0)```

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

```math.pow(100, 2) :  10000.0
math.pow(100, -2) :  0.0001
math.pow(2, 4) :  16.0
math.pow(3, 0) :  1.0```

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