Runnable Python guides

Run NumPy Online

Learn NumPy through executable array, matrix, statistics, indexing, and reshaping examples.

9 runnable examples

Create NumPy arrays and inspect their shape, size, and data type online.

Reshape a NumPy array without changing its data.

Multiply two matrices online with NumPy matmul and the @ operator.

Calculate descriptive statistics with NumPy and run the example online.

Filter NumPy values with boolean indexing.

Generate reproducible random integers with NumPy's modern Generator API.

Join NumPy arrays by row or column.

Find unique array values and their occurrence counts with NumPy.

Swap matrix rows and columns with NumPy transpose.