# Convert Python List to NumPy Array

To convert a Python list to a NumPy array:

`my_array = np.array(my_list)`

In this guide, you’ll see how to convert:

1. Python list to a NumPy array
2. List of lists (multi-dimensional list) to a NumPy array

## Case 1: Convert Python List to a NumPy Array

To start, create a simple list with 6 elements:

`my_list = [10, 15, 20, 25, 30, 35]print(my_list)print(type(my_list))`

This is how the list would look like:

``````[10, 15, 20, 25, 30, 35]
<class 'list'>``````

Note that print(type(my_list)) was added at the bottom of the code to demonstrate that we created a list.

The goal is to convert that list to a NumPy array using:

`my_array = np.array(my_list)`

For our example:

`import numpy as npmy_list = [10, 15, 20, 25, 30, 35]my_array = np.array(my_list)print(my_array)print(type(my_array))`

As you can see, the list was converted to a NumPy array:

``````[10 15 20 25 30 35]
<class 'numpy.ndarray'>``````

## Case 2: Convert a List of Lists to a NumPy Array

What if you want to convert a list of lists to a NumPy array?

For example, create the following list of lists:

`my_list = [[10, 15, 20], [25, 30, 35]]print(my_list)print(type(my_list))`

This is how the list of lists would look like:

``````[[10, 15, 20], [25, 30, 35]]
<class 'list'>``````

To convert the list of lists to a NumPy array:

`import numpy as npmy_list = [[10, 15, 20], [25, 30, 35]]my_array = np.array(my_list)print(my_array)print(type(my_array))print("Number of array dimensions: " + str(my_array.ndim))`

You’ll then get the following two-dimensional NumPy array:

``````[[10 15 20]
[25 30 35]]
<class 'numpy.ndarray'>
Number of array dimensions: 2 ``````

For an opposite scenario, check the following guide that explains how to convert a NumPy array to a list.