{"154":["A library for numerical operations in Python"],"155":["import numpy"],"156":["NumPy arrays are more memory-efficient"],"157":["numpy.array(my_list)"],"158":["The number of dimensions and the size along each dimension"],"159":["arr1 + arr2"],"160":["To modify the shape of the array"],"161":["numpy.zeros() creates an array of zeros, while numpy.ones() creates an array of ones"],"162":["To compute the sum of all elements in the array"],"163":["mat1 @ mat2","numpy.dot(mat1, mat2)"]}