{"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":"noindex","profile":{"resources":[],"task_format":"","scoring":"","metric":"","size":"","answer_access":"","license":"","citation":"","maintainer":"","released":"","why_hard":"","related":[]}},"task_id":"a4086ce1-dd9c-544d-b228-f1ec7a687f31","task_key":"default--test--176","task_revision_id":"2","upstream_id":"176","short_description":"I have this Pandas dataframe (df):","config":"default","split":"test","body":"{\"prompt\":\"Problem:\\nI have this Pandas dataframe (df):\\n     A    B\\n0    1    green\\n1    2    red\\n2    s    blue\\n3    3    yellow\\n4    b    black\\n\\n\\nA type is object.\\nI'd select the record where A value are string to have:\\n   A      B\\n2  s   blue\\n4  b  black\\n\\n\\nThanks\\n\\n\\nA:\\n<code>\\nimport pandas as pd\\n\\n\\ndf = pd.DataFrame({'A': [1, 2, 's', 3, 'b'],\\n                   'B': ['green', 'red', 'blue', 'yellow', 'black']})\\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":"noindex","subproblems":[],"grids":[]}