The `def` keyword in Python is used to define a function. Functions are blocks of reusable code that perform a specific task. Once a function is written, it can be used over and over and over again. Functions can be called from another function, program or even from the command line.

Here is a simple example of a function:

```python
def greet():
print("Hello, World!")
```

In this example, `greet` is the function name, and the code within the brackets `{}` is the function body that gets executed when the function is called.

You can call or invoke this function like this:

```python
greet()
```

When you run this code, it will output: `Hello, World!`

So, in summary, the `def` keyword in Python is used to define functions, which are reusable pieces of code that perform a specific task.

Question

The `def` keyword in Python is used to define a function. Functions are blocks of reusable code that perform a specific task. Once a function is written, it can be used over and over and over again. Functions can be called from another function, program or even from the command line.

Here is a simple example of a function:

```python
def greet():
    print("Hello, World!")
```

In this example, `greet` is the function name, and the code within the brackets `{}` is the function body that gets executed when the function is called.

You can call or invoke this function like this:

```python
greet()
```

When you run this code, it will output: `Hello, World!`

So, in summary, the `def` keyword in Python is used to define functions, which are reusable pieces of code that perform a specific task.

Knowee AI · Accepted Answer

The `def` keyword in Python is used to define a function. Functions are blocks of reusable code that perform a specific task. Once a function is written, it can be used over and over and over again. Functions can be called from another function, program or even from the command line.

Here is a simple example of a function:

```python
def greet():
    print("Hello, World!")
```

In this example, `greet` is the function name, and the code within the brackets `{}` is the function body that gets executed when the function is called.

You can call or invoke this function like this:

```python
greet()
```

When you run this code, it will output: `Hello, World!`

So, in summary, the `def` keyword in Python is used to define functions, which are reusable pieces of code that perform a specific task.

what is the use of def function? what is it meaning?

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