{"kind":"task","effective_mode":"full","benchmark":{"kind":"benchmark","effective_mode":"full","slug":"ds-1000","formal_name":"DS-1000","introduction":"DS-1000 builds 1,000 data-science problems from real StackOverflow questions across seven libraries including NumPy, Pandas and Matplotlib. The problems are perturbed so that recalling the original answer does not solve them.","introduction_ja":"","introduction_en":"","category":"Category not supplied","task_count":null,"acquisition_status":"Acquisition status not supplied","official_url":"https://ds1000-code-gen.github.io/","indexing_mode":"index","profile":{"resources":[],"task_format":"","scoring":"","metric":"","size":"","answer_access":"","license":"","citation":"","maintainer":"","released":"","why_hard":"","related":[],"history":"","construction":"","limitations":"","saturation":"","scores":[]}},"task_id":"af2f59a9-ea33-59d5-983c-29585834860b","task_key":"default--test--319","task_revision_id":"1","upstream_id":"319","short_description":"Is there a way to change the order of the matrices in a numpy 3D array to a new…","config":"default","split":"test","body":"{\"library\":\"Numpy\",\"prompt\":\"Problem:\\nIs there a way to change the order of the matrices in a numpy 3D array to a new and arbitrary order? For example, I have an array `a`:\\narray([[[10, 20],\\n        [30, 40]],\\n       [[6,  7],\\n        [8,  9]],\\n\\t[[10, 11],\\n\\t [12, 13]]])\\nand I want to change it into, say\\narray([[[6,  7],\\n        [8,  9]],\\n\\t[[10, 20],\\n        [30, 40]],\\n\\t[[10, 11],\\n\\t [12, 13]]])\\nby applying the permutation\\n0 -> 1\\n1 -> 0\\n2 -> 2\\non the matrices. In the new array, I therefore want to move the first matrix of the original to the second, and the second to move to the first place and so on.\\nIs there a numpy function to do it? \\nThank you.\\nA:\\n<code>\\nimport numpy as np\\na = np.array([[[10, 20],\\n        [30, 40]],\\n       [[6,  7],\\n        [8,  9]],\\n\\t[[10, 11],\\n\\t [12, 13]]])\\npermutation = [1, 0, 2]\\n</code>\\nresult = ... # put solution in this variable\\nBEGIN SOLUTION\\n<code>\\n\"}","display_format":"code","language":"","answer_status":"published","assets":[],"source_url":"https://ds1000-code-gen.github.io/","history":"initial import","indexing_mode":"index","subproblems":[],"grids":[]}