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def greet(name=""):
    return f"Hello, {name}!"

print(greet())

print(greet("Python"))

# How to Assign Default Values to Function Parameters

In Python, you can set **default values** for function parameters, which are known as `Default Parameters`.

Default parameters use pre-defined values when no argument is passed during a function call.

To define default parameters, assign a default value to the parameter using the `=` operator in the function definition.

```python title="Example of Default Parameters"
# Set the default value of the name parameter to "CodeFriend"
def greet(name="CodeFriend"):
    return f"Hello, {name}!"

# "Hello, CodeFriend!"
print(greet())
```

In the code above, the `greet` function has a `name` parameter, with the default value set to `"CodeFriend"` using `name="CodeFriend"`.

<br />

## Example of Using Default Parameters

With default parameters, you do not need to provide a value for those parameters during the function call.

```python title="Example of Using Default Parameters"
def greet(name="CodeFriend"):
    return f"Hello, {name}!"

# "Hello, CodeFriend!"
print(greet())

# "Hello, Python!"
print(greet("Python"))
```

A default parameter is a value that is used when a specific parameter is not provided during a function call. You can set a default parameter using the assignment operator `=`.

### What is the most appropriate operator to fill in the blank?