Explain how Python handles arithmetic operations with an emphasis on operator precedence. Useexamples to illustrate how Python evaluates complex arithmetic expressions.

Python handles arithmetic operations using a set of rules known as operator precedence, also known as the order of operations. This determines which operations are performed first when evaluating a complex arithmetic expression.

Here's the order of operations in Python, from highest precedence to lowest:

1. Parentheses: ()
2. Exponentiation: **
3. Multiplication, Division, Floor Division and Modulus: *, /, //, %
4. Addition and Subtraction: +, -

Let's take an example to illustrate this:

result = 2 + 3 * 4 ** 2

Here's how Python evaluates this:

1. First, it performs the exponentiation: 4 ** 2 equals 16.
2. Then, it performs the multiplication: 3 * 16 equals 48.
3. Finally, it performs the addition: 2 + 48 equals 50.

So, result would be 50.

If we change the expression to use parentheses:

result = (2 + 3) * 4 ** 2

The evaluation changes:

1. First, it performs the operation in parentheses: 2 + 3 equals 5.
2. Then, it performs the exponentiation: 4 ** 2 equals 16.
3. Finally, it performs the multiplication: 5 * 16 equals 80.

So, result would be 80.

This shows how Python uses operator precedence to handle arithmetic operations.