{"id":6758,"date":"2024-10-01T17:49:08","date_gmt":"2024-10-01T09:49:08","guid":{"rendered":"https:\/\/www.citerp.com.tw\/citwordpress\/?p=6758"},"modified":"2024-10-01T17:49:10","modified_gmt":"2024-10-01T09:49:10","slug":"python-keyerror","status":"publish","type":"post","link":"https:\/\/www.citerp.com.tw\/citwordpress\/python-keyerror\/","title":{"rendered":"Python KeyError \u5224\u65b7key\u662f\u5426\u5b58\u5728\u76842\u500b\u65b9\u6cd5\uff1ain\u548cget()"},"content":{"rendered":"\n

\u5224\u65b7key\u662f\u5426\u5b58\u5728\u76842\u500b\u65b9\u6cd5in\u548cget()<\/p>\n\n\n\n

car = { 'name':'toyota' , 'color':'blue' }\r\ncar['price']<\/code><\/pre>\n\n\n\n
\u56e0\u70ba\u6c92\u6709price\uff0c\u6240\u4ee5\u6703\u7522\u751fKeyError<\/p>\n\n\n\n
\u9019\u6642\u5019\u53ef\u4ee5\u7528<\/p>\n\n\n\n
\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528in\u4f86\u5224\u65b7<\/p>\n\n\n\n
if 'price' in car.keys():\r\n    print( car['price'] )<\/code><\/pre>\n\n\n\n
\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528get\u4f86\u5224\u65b7<\/p>\n\n\n\n
car.get('price' , 'key not exist')<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
Python KeyError \u5224\u65b7key\u662f\u5426\u5b58\u5728\u76842\u500b\u65b9\u6cd5\uff1ain\u548cget()<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"qubely_global_settings":"","qubely_interactions":"","footnotes":""},"categories":[136],"tags":[137],"class_list":["post-6758","post","type-post","status-publish","format-standard","hentry","category-python","tag-python"],"qubely_featured_image_url":null,"qubely_author":{"display_name":"\u5eb7\u6377Qoo","author_link":"https:\/\/www.citerp.com.tw\/citwordpress\/author\/cit001\/"},"qubely_comment":0,"qubely_category":"Python<\/a>","qubely_excerpt":"Python KeyError \u5224\u65b7key\u662f\u5426\u5b58\u5728\u76842\u500b\u65b9\u6cd5\uff1ain\u548cget()","yoast_head":"\nPython KeyError \u5224\u65b7key\u662f\u5426\u5b58\u5728\u76842\u500b\u65b9\u6cd5\uff1ain\u548cget() - \u514d\u8cbb\u8cc7\u6e90\u5206\u4eab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.citerp.com.tw\/citwordpress\/python-keyerror\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python KeyError \u5224\u65b7key\u662f\u5426\u5b58\u5728\u76842\u500b\u65b9\u6cd5\uff1ain\u548cget() - 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