# Arrays in Python

Some Array Commands in Python

```python
# declaring and initializing an array
my_array = [1, 2, 3, 4, 5]

# accessing array elements
print(my_array[0])  # prints 1
print(my_array[2])  # prints 3

# updating array elements
my_array[1] = 7
print(my_array)  # prints [1, 7, 3, 4, 5]

# iterating over array elements
for element in my_array:
    print(element)
```

In this example, we declare and initialize an array called `my_array` with five elements: 1, 2, 3, 4, and 5. We then print the first and third elements of the array, update the second element to 7, and print the entire array using the `print` function.

Finally, we use a `for` loop to iterate over each element in the array and print it to the console.