# What is the difference between Python's list methods append and extend?

The **`append()`** method adds an item to the end of the list. The item can be of any type, and you can use the method to add multiple items by separating them with a comma. For example:

```python
fruits = ['apple', 'banana', 'mango']
fruits.append('orange')
print(fruits)
# Output: ['apple', 'banana', 'mango', 'orange']

fruits.append('grapes', 'strawberry')
print(fruits)
# Output: ['apple', 'banana', 'mango', 'orange', 'grapes', 'strawberry']
```

On the other hand, the **`extend()`** method takes an iterable (such as a list) and adds each element of the iterable to the list one by one. For example:

```python
fruits = ['apple', 'banana', 'mango']
new_fruits = ['orange', 'grapes', 'strawberry']
fruits.extend(new_fruits)
print(fruits)
# Output: ['apple', 'banana', 'mango', 'orange', 'grapes', 'strawberry']
```

In summary, the main difference between **`append()`** and **`extend()`** is that **`append()`** adds a single item to the list, while **`extend()`** adds multiple items to the list.