{"id":1506,"date":"2025-09-28T12:10:15","date_gmt":"2025-09-28T05:10:15","guid":{"rendered":"https:\/\/kienthucmo.com\/?p=1506"},"modified":"2025-11-05T23:36:25","modified_gmt":"2025-11-05T16:36:25","slug":"tong-hop-cac-ham-xu-ly-array-voi-python","status":"publish","type":"post","link":"https:\/\/kienthucmo.com\/vi\/tong-hop-cac-ham-xu-ly-array-voi-python\/","title":{"rendered":"T\u1ed5ng h\u1ee3p c\u00e1c h\u00e0m x\u1eed l\u00fd Array v\u1edbi Python"},"content":{"rendered":"\n

Trong qu\u00e1 tr\u00ecnh h\u1ecdc v\u00e0 l\u00e0m vi\u1ec7c v\u1edbi Python, ch\u1eafc h\u1eb3n nhi\u1ec1u b\u1ea1n th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng list<\/strong> \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u. Tuy nhi\u00ean, Python c\u00f2n cung c\u1ea5p th\u00eam m\u1ed9t c\u1ea5u tr\u00fac d\u1eef li\u1ec7u kh\u00e1c l\u00e0 array<\/strong> th\u00f4ng qua module array<\/code>. Array c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh, \u0111\u1eb7c bi\u1ec7t khi ch\u00fang ta c\u1ea7n l\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t t\u1eadp h\u1ee3p d\u1eef li\u1ec7u \u0111\u1ed3ng nh\u1ea5t (t\u1ea5t c\u1ea3 ph\u1ea7n t\u1eed \u0111\u1ec1u c\u00f9ng ki\u1ec3u).<\/p>\n\n\n\n

Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c h\u00e0m x\u1eed l\u00fd array trong Python<\/strong> gi\u00fap m\u00ecnh thao t\u00e1c d\u1ec5 d\u00e0ng h\u01a1n v\u1edbi d\u1eef li\u1ec7u: th\u00eam, x\u00f3a, s\u1eeda, t\u00ecm ki\u1ebfm, duy\u1ec7t qua, hay s\u1eafp x\u1ebfp. \u0110\u00e2y l\u00e0 nh\u1eefng k\u1ef9 n\u0103ng n\u1ec1n t\u1ea3ng nh\u01b0ng v\u00f4 c\u00f9ng quan tr\u1ecdng n\u1ebfu mu\u1ed1n l\u1eadp tr\u00ecnh hi\u1ec7u qu\u1ea3 v\u00e0 vi\u1ebft code s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n

Trong b\u00e0i vi\u1ebft n\u00e0y, m\u00ecnh s\u1ebd t\u1ed5ng h\u1ee3p l\u1ea1i c\u00e1c nh\u00f3m h\u00e0m x\u1eed l\u00fd array th\u00f4ng d\u1ee5ng, \u0111i k\u00e8m v\u00ed d\u1ee5 minh h\u1ecda v\u00e0 gi\u1ea3i th\u00edch c\u1ee5 th\u1ec3. Cu\u1ed1i c\u00f9ng, m\u00ecnh c\u0169ng s\u1ebd so s\u00e1nh array m\u1eb7c \u0111\u1ecbnh c\u1ee7a Python v\u1edbi NumPy array \u0111\u1ec3 c\u00e1c b\u1ea1n th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n\n\n\n

B\u1ea3ng t\u1ed5ng h\u1ee3p c\u00e1c ph\u01b0\u01a1ng th\u1ee9c Array trong Python<\/h2>\n\n\n\n
Ph\u01b0\u01a1ng th\u1ee9c \/ To\u00e1n t\u1eed<\/strong><\/th>Ch\u1ee9c n\u0103ng<\/strong><\/th>V\u00ed d\u1ee5 s\u1eed d\u1ee5ng<\/strong><\/th>K\u1ebft qu\u1ea3<\/strong><\/th><\/tr><\/thead>
append(x)<\/code><\/td>Th\u00eam ph\u1ea7n t\u1eed x<\/code> v\u00e0o cu\u1ed1i array<\/td>arr.append(5)<\/code><\/td>[1, 2, 3, 5]<\/code><\/td><\/tr>
insert(i, x)<\/code><\/td>Ch\u00e8n ph\u1ea7n t\u1eed x<\/code> t\u1ea1i v\u1ecb tr\u00ed i<\/code><\/td>arr.insert(1, 99)<\/code><\/td>[1, 99, 2, 3]<\/code><\/td><\/tr>
extend(iterable)<\/code><\/td>Th\u00eam nhi\u1ec1u ph\u1ea7n t\u1eed t\u1eeb iterable<\/td>arr.extend([7,8])<\/code><\/td>[1, 2, 3, 7, 8]<\/code><\/td><\/tr>
remove(x)<\/code><\/td>X\u00f3a ph\u1ea7n t\u1eed \u0111\u1ea7u ti\u00ean c\u00f3 gi\u00e1 tr\u1ecb x<\/code><\/td>arr.remove(2)<\/code><\/td>[1, 3, 7, 8]<\/code><\/td><\/tr>
pop([i])<\/code><\/td>X\u00f3a ph\u1ea7n t\u1eed t\u1ea1i ch\u1ec9 s\u1ed1 i<\/code>, m\u1eb7c \u0111\u1ecbnh l\u00e0 cu\u1ed1i<\/td>arr.pop()<\/code><\/td>[1, 3, 7]<\/code><\/td><\/tr>
clear()<\/code><\/td>X\u00f3a to\u00e0n b\u1ed9 ph\u1ea7n t\u1eed trong array<\/td>arr.clear()<\/code><\/td>[]<\/code><\/td><\/tr>
index(x)<\/code><\/td>Tr\u1ea3 v\u1ec1 ch\u1ec9 s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u00e1 tr\u1ecb x<\/code><\/td>arr.index(7)<\/code><\/td>2<\/code><\/td><\/tr>
count(x)<\/code><\/td>\u0110\u1ebfm s\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n c\u1ee7a gi\u00e1 tr\u1ecb x<\/code><\/td>arr.count(7)<\/code><\/td>1<\/code><\/td><\/tr>
reverse()<\/code><\/td>\u0110\u1ea3o ng\u01b0\u1ee3c array t\u1ea1i ch\u1ed7<\/td>arr.reverse()<\/code><\/td>[8, 7, 3, 1]<\/code><\/td><\/tr>
copy()<\/code><\/td>T\u1ea1o m\u1ed9t b\u1ea3n sao array m\u1edbi<\/td>arr2 = arr.copy()<\/code><\/td>arr2 == arr<\/code> \u2192 True<\/code><\/td><\/tr>
tolist()<\/code><\/td>Chuy\u1ec3n array th\u00e0nh list Python<\/td>arr.tolist()<\/code><\/td>[1, 2, 3]<\/code><\/td><\/tr>
del arr[i]<\/code><\/td>X\u00f3a ph\u1ea7n t\u1eed t\u1ea1i ch\u1ec9 s\u1ed1 i<\/code><\/td>del arr[0]<\/code><\/td>[2, 3]<\/code><\/td><\/tr>
arr[i] = x<\/code><\/td>Thay \u0111\u1ed5i gi\u00e1 tr\u1ecb t\u1ea1i ch\u1ec9 s\u1ed1 i<\/code><\/td>arr[1] = 99<\/code><\/td>[2, 99, 3]<\/code><\/td><\/tr>
arr[i:j]<\/code> (slicing)<\/td>Tr\u00edch m\u1ed9t ph\u1ea7n array t\u1eeb i<\/code> \u0111\u1ebfn j-1<\/code><\/td>arr[0:2]<\/code><\/td>[2, 99]<\/code><\/td><\/tr>
x in arr<\/code><\/td>Ki\u1ec3m tra xem ph\u1ea7n t\u1eed c\u00f3 trong array hay kh\u00f4ng<\/td>99 in arr<\/code><\/td>True<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

1. T\u1ea1o Array trong Python<\/h2>\n\n\n\n

\u0110\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi array, m\u00ecnh c\u1ea7n import module array<\/code>.<\/p>\n\n\n\n

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