{"id":550,"date":"2023-02-21T15:06:43","date_gmt":"2023-02-21T15:06:43","guid":{"rendered":"https:\/\/tinyytopic.com\/?p=550"},"modified":"2023-02-21T15:05:56","modified_gmt":"2023-02-21T15:05:56","slug":"how-to-sort-the-python-list-with-an-index","status":"publish","type":"post","link":"https:\/\/tinyytopic.com\/index.php\/2023\/02\/21\/how-to-sort-the-python-list-with-an-index\/","title":{"rendered":"How to sort the Python list with an index"},"content":{"rendered":"\n

How to sort the Python list with an index using Ready-to-use function?<\/mark><\/h5><\/div>\n\n\n\n

Ready-to-use Python function to sort the list with an index:<\/p>\n\n\n\n

def sort_list_with_index(li1, idx):\n    # Sort a List with given index\n    tmp = li1[:] #clone list\n\n    # verify list and index size\n    if len(li1) != len(idx):\n        messagebox.showinfo('Message', \"The sorting list and index size doesn't match!\")\n        return\n    \n    # sort list based on index number\n    for i in range(0, len(idx)):\n        tmp[i] = li1[idx[i]]\n    \n    return tmp<\/pre>\n\n\n\n
Write your main code as a sample below,<\/p>\n\n\n\n
print(sort_list_with_index(['Mon', 'Fri', 'Wed'], [0, 2, 1]))<\/code><\/pre>\n\n\n\n
The output of the code is,<\/p>\n\n\n\n
['Mon', 'Wed', 'Fri']<\/code><\/pre>\n\n\n\n
How does the Python function work?<\/mark><\/h5><\/div>\n\n\n\n
This function sorts a given list (li1<\/code>) based on a specified order (idx<\/code>) by creating a copy of the list and rearranging the elements in the copy according to the order specified by the index list.<\/p>\n\n\n\n

This Python function, sort_list_with_index<\/code>, takes two parameters: li1<\/code>, which is a list to be sorted, and idx<\/code>, which is a list of indices that specify the order in which li1<\/code> should be sorted. Here’s how it works:<\/p>\n\n\n\n
    \n
  1. The function starts by creating a copy of the input list using the slice operator (tmp = li1[:]<\/code>). This is done to avoid modifying the original list while sorting it.<\/li>\n\n\n\n
  2. The function then checks if the length of the input list li1<\/code> is equal to the length of the index list idx<\/code>. If they are not the same length, the function displays an error message and returns None<\/code>.<\/li>\n\n\n\n
  3. If the length of li1<\/code> is equal to the length of idx<\/code>, the function proceeds to sort li1<\/code> based on the order specified by the indices in idx<\/code>.<\/li>\n\n\n\n
  4. To sort the list, the function uses a for<\/code> loop that iterates over the length of idx<\/code>. In each iteration, the function sets the value of the i<\/code>-th element in the copy of li1<\/code> (tmp[i]<\/code>) to the value of the element in li1<\/code> at the index specified by idx[i]<\/code>.<\/li>\n\n\n\n
  5. After the loop has finished iterating, the function returns the sorted list tmp<\/code>.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
    Ready-to-use Python function to sort the list with an index: Write your main code as a sample below, The output of the code is, This function sorts a given list (li1) based on a specified order (idx) by creating a copy of the list and rearranging the elements in the copy according to the order […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[12,17],"tags":[14,13,16,15,44],"class_list":["post-550","post","type-post","status-publish","format-standard","hentry","category-python","category-useful-function","tag-programming-language","tag-python","tag-python-code","tag-python-sample-code","tag-sort-list"],"aioseo_notices":[],"yoast_head":"\nHow to sort the Python list with an index - 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