Contents

## Python pow() Function

Python pow() function can be used to calculate the base to the power of a number.

### Syntax – pow()

The syntax of pow() function is

`pow(base, exp[, mod])`

pow() function returns the value `base`

to the power of `exp`

. `mod`

is optional. If mod is provided then pow() returns `pow(base, exp) % mod`

with the modulo operation done efficiently.

### Example 1: Find Base to the Power

In this example, we will compute 5 to the power of 3. The base value is 5 and the power is 3.

**Python Program**

```
base = 5
exp = 3
result = pow(base, exp)
print(f'{base} to the power of {exp} is {result}.')
```

Run **Output**

`5 to the power of 3 is 125.`

### Example 2: Find Base to the Power of Zero

In this example, we will try to find the base to the power of zero. For any base value, the result should be one.

**Python Program**

```
base = 5
exp = 0
result = pow(base, exp)
print(f'{base} to the power of {exp} is {result}.')
```

Run **Output**

`5 to the power of 0 is 1.`

### Example 3: Negative Power

We can also give a negative power. In this example, we will find the value of 5 to the power of -1.

**Python Program**

```
base = 5
exp = -1
result = pow(base, exp)
print(f'{base} to the power of {exp} is {result}.')
```

Run **Output**

`5 to the power of -1 is 0.2.`

### Example 4: pow() with mod parameter

In this example we will give mod parameter to pow() function and find 5 to the power of 3 modular division with 10.

**Python Program**

```
base = 5
exp = 3
mod = 10
result = pow(base, exp, mod)
print(f'{base} to the power of {exp}, % {mod} is {result}.')
```

Run **Output**

`5 to the power of 3, % 10 is 5.`

### Summary

In this tutorial of Python Examples, we learned the syntax of pow() function, and how to find base to a given power using pow() function with examples.