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number = 4
power = 2
result = 0
print(f"{number} to the power of {power} : {result}")

radius = 3
area_of_circle = 3.14 * (radius ** 2)
print("area_of_circle:", area_of_circle)

base = 10
exponent = -1
inverse = base ** exponent
print("inverse:", inverse)

# How to Calculate Squares in Python

The exponentiation operator `**` returns the value of the number on the left raised to the power of the number on the right.

For example, `a ** b` returns `a` raised to the power of `b`.

```python title="Exponentiation Example"
squared = 2 ** 3

print(squared)  # 8
```

<br />

The exponentiation operator is useful for mathematical calculations involving areas, volumes, and more.

```python title="Calculating the Area of a Square"
side = 5 # Length of one side of the square

area_of_square = side ** 2 # Area of the square

print(area_of_square)  # 25
```

The power operator ** in Python is used to calculate the power of a number. It raises the number on the left to the exponent on the right. For example, 7 ** 2 returns 49.

### Using the Power Operator in Python

Run the following code to calculate the area of a square. The expected output is `49`.