{"id":1659,"date":"2025-09-30T19:56:49","date_gmt":"2025-09-30T12:56:49","guid":{"rendered":"https:\/\/kienthucmo.com\/?p=1659"},"modified":"2025-11-05T23:44:42","modified_gmt":"2025-11-05T16:44:42","slug":"them-phan-tu-vao-dictionary-trong-python","status":"publish","type":"post","link":"https:\/\/kienthucmo.com\/vi\/them-phan-tu-vao-dictionary-trong-python\/","title":{"rendered":"Th\u00eam ph\u1ea7n t\u1eed v\u00e0o Dictionary trong Python"},"content":{"rendered":"\n

Khi l\u1eadp tr\u00ecnh v\u1edbi Python, dictionary (t\u1eeb \u0111i\u1ec3n)<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng ki\u1ec3u d\u1eef li\u1ec7u quan tr\u1ecdng nh\u1ea5t. N\u00f3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u theo c\u1eb7p key \u2013 value<\/strong>, cho ph\u00e9p m\u00ecnh truy c\u1eadp gi\u00e1 tr\u1ecb nhanh ch\u00f3ng th\u00f4ng qua key. Trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c, ch\u1eafc ch\u1eafn s\u1ebd c\u00f3 l\u00fac m\u00ecnh c\u1ea7n b\u1ed5 sung th\u00eam ph\u1ea7n t\u1eed m\u1edbi v\u00e0o dictionary. \u0110\u00e2y l\u00e0 m\u1ed9t thao t\u00e1c c\u01a1 b\u1ea3n nh\u01b0ng v\u00f4 c\u00f9ng quan tr\u1ecdng, v\u00ec n\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd d\u1eef li\u1ec7u \u0111\u1ed9ng, m\u1edf r\u1ed9ng c\u1ea5u tr\u00fac d\u1eef li\u1ec7u khi ch\u01b0\u01a1ng tr\u00ecnh \u0111ang ch\u1ea1y.<\/p>\n\n\n\n

Trong b\u00e0i vi\u1ebft n\u00e0y, m\u00ecnh s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1ch th\u00eam ph\u1ea7n t\u1eed v\u00e0o dictionary trong Python. B\u1eaft \u0111\u1ea7u th\u00f4i n\u00e0o…!!<\/p>\n\n\n\n

1. Dictionary trong Python l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Dictionary<\/strong> trong Python l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac d\u1eef li\u1ec7u d\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c c\u1eb7p key\u2013value.<\/p>\n\n\n\n

    \n
  • Key<\/strong>: ph\u1ea3i l\u00e0 ki\u1ec3u d\u1eef li\u1ec7u b\u1ea5t bi\u1ebfn (immutable), v\u00ed d\u1ee5: s\u1ed1, chu\u1ed7i, tuple.<\/li>\n\n\n\n
  • Value<\/strong>: c\u00f3 th\u1ec3 l\u00e0 b\u1ea5t k\u1ef3 ki\u1ec3u d\u1eef li\u1ec7u n\u00e0o (s\u1ed1, chu\u1ed7i, list, dictionary kh\u00e1c\u2026).<\/li>\n\n\n\n
  • Dictionary kh\u00f4ng l\u01b0u tr\u1eef ph\u1ea7n t\u1eed theo th\u1ee9 t\u1ef1 c\u1ed1 \u0111\u1ecbnh (tr\u01b0\u1edbc Python 3.7). T\u1eeb phi\u00ean b\u1ea3n 3.7 tr\u1edf \u0111i, dictionary duy tr\u00ec th\u1ee9 t\u1ef1 c\u00e1c ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/li>\n<\/ul>\n\n\n\n

    V\u00ed d\u1ee5:<\/p>\n\n\n\n

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