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fruits = ["apple", "banana", "cherry"]

for index, fruit in enumerate(fruits):
    # Executes when index is 0 or even
    if index % 2 == 0:
        print(f"index: {index}, fruit: {fruit}")

# Iterating Over Elements of an Iterable

The `enumerate` function is used to iterate over an iterable object like a list or tuple, returning both the element and its `index`.

It's commonly used with a for loop as shown below.

```python title="Using enumerate function in a for loop"
for index, element in enumerate(iterable):
    ... # body of the loop
```

Between the `for` keyword and the `in` keyword, two variables such as `index` and `element` are used.

`index` refers to the index of the element in the iterable, and `element` refers to the element at that index.

<br />

## How do you use the enumerate function?

The `enumerate` function takes an iterable as an argument and returns the elements of the iterable along with their indices as it iterates.

```python title="Example of using enumerate function"
fruits = ["apple", "banana", "cherry"]

for index, fruit in enumerate(fruits):
    print(f"{index}: {fruit}")
# 0: apple
# 1: banana
# 2: cherry
```

<br />

The `enumerate` function is useful when you need index information for each element of the list, or when you want to perform different actions based on the index.

```python title="Using enumerate function with a loop"
fruits = ["apple", "banana", "cherry"]

for index, fruit in enumerate(fruits):
    # Execute if the index is 0 or even
    if index % 2 == 0:
        print(f"index: {index}, fruit: {fruit}")
```
```

The enumerate function iterates over an iterable, providing each element and its index at the same time.

Iterating Over Elements of an Iterable

How do you use the enumerate function?

Which statement correctly describes the enumerate function?

Which statement correctly describes the `enumerate` function?