Absolute value function abs python tutorial

sure! the absolute value function in python is provided by the built-in `abs()` function. the purpose of this function is to return the absolute value of a number, which is the non-negative value of that number regardless of its sign.

### what is absolute value?

the absolute value of a number is the distance of that number from zero on the number line. for example:
- the absolute value of -5 is 5.
- the absolute value of 3 is 3.
- the absolute value of 0 is 0.

### using the `abs()` function

the `abs()` function can be used with integers, floating-point numbers, and even complex numbers. here's how it works:

#### syntax

- **x**: the number for which you want to find the absolute value. it can be an integer, float, or complex number.

#### returns

- the absolute value of the number provided.

### examples

let’s look at some examples to understand how to use the `abs()` function.

#### example 1: absolute value of integers

#### example 2: absolute value of floating point numbers

#### example 3: absolute value of complex numbers

for complex numbers, the `abs()` function returns the magnitude (or modulus) of the complex number.

the magnitude of a complex number \( a + bi \) is calculated as \( \sqrt{a^2 + b^2} \). in the example above:
- \( a = 3 \)
- \( b = 4 \)
- magnitude = \( \sqrt{3^2 + 4^2} = \sqrt{9 + 16} = \sqrt{25} = 5.0 \)

### conclusion

the `abs()` function in python is a straightforward and efficient way to obtain the absolute value of numbers. it's versatile and can handle integers, floating points, and complex numbers.

feel free to try out the examples above in your python environment to see how the `abs()` function works in different scenarios!

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