{"id":22736,"date":"2021-11-24T21:54:38","date_gmt":"2021-11-24T16:24:38","guid":{"rendered":"https:\/\/tutorial.eyehunts.com\/?p=22736"},"modified":"2023-06-07T16:42:27","modified_gmt":"2023-06-07T11:12:27","slug":"python-replace-character-in-the-list-example-code","status":"publish","type":"post","link":"https:\/\/tutorial.eyehunts.com\/python\/python-replace-character-in-the-list-example-code\/","title":{"rendered":"Python replace character in the list | Example code"},"content":{"rendered":"\n

Use regex <\/a>to replace characters in the list in Python. The re<\/code> module in Python provides the sub()<\/code> and subn()<\/code> functions that can be used to replace characters in a list using regular expressions.<\/p>\n\n\n\n

<\/div>\n\n\n\n

Example replace character in the list in Python<\/strong><\/h2>\n\n\n\n

A simple example code removes multiple characters from a string. Removing “e”, “l’, and “p” char from the given string.<\/p>\n\n\n\n

You have to import the re <\/strong>module <\/a>for this example.<\/p>\n\n\n\n

import re\n\nprint(re.sub(\"e|l|p\", \"\", \"Hello Python Developers\"))\n<\/code><\/pre>\n\n\n\n
Output<\/strong>:<\/p>\n\n\n
\n
\"Python<\/figure><\/div>\n\n\n
Or you can iterate <\/a>over the list and update the desired character at each index. Here’s an example:<\/p>\n\n\n\n
def replace_character_in_list(lst, old_char, new_char):\r\n    for i in range(len(lst)):\r\n        if lst[i] == old_char:\r\n            lst[i] = new_char\r\n\r\n# Example usage\r\nmy_list = ['a', 'b', 'c', 'd']\r\nreplace_character_in_list(my_list, 'c', 'x')\r\nprint(my_list)  # Output: ['a', 'b', 'x', 'd']\r<\/code><\/pre>\n\n\n\n
Another example<\/strong><\/p>\n\n\n\n
import re\r\n\r\ndef replace_character_in_list(lst, pattern, replacement):\r\n    # Convert the list to a string\r\n    string_representation = ''.join(lst)\r\n\r\n    # Use re.sub() to replace the characters\r\n    modified_string = re.sub(pattern, replacement, string_representation)\r\n    \r\n    # Convert the modified string back to a list\r\n    modified_list = list(modified_string)\r\n    \r\n    return modified_list\r\n\r\n# Example usage\r\nmy_list = ['a', 'b', 'c', 'd']\r\nmodified_list = replace_character_in_list(my_list, r'[a-d]', 'x')\r\nprint(modified_list)  # Output: ['x', 'x', 'x', 'x']\r<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
Comment if you have any doubts or suggestions on this Python char topic.<\/p>\n\n\n\n
Note:<\/strong> IDE: PyCharm<\/a> 2021.3.3 (Community Edition)<\/p>
Windows 10<\/p>
Python 3.10.1<\/strong><\/p>
All Python Examples are in Python 3<\/strong>, so Maybe its different from python 2 or upgraded versions.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"
Use regex to replace characters in the list in Python. The re module in Python provides the sub() and subn() functions that can be used to replace characters in a list using regular expressions. Example replace character in the list in Python A simple example code removes multiple characters from a string. Removing “e”, “l’,… Read More »Python replace character in the list | Example code<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[30],"tags":[164,83,264],"post_series":[],"class_list":["post-22736","post","type-post","status-publish","format-standard","hentry","category-python","tag-python-char","tag-python-list","tag-python-replace"],"yoast_head":"\nPython replace character in the list | Example code<\/title>\n<meta name=\"description\" content=\"Use regex to replace characters in the list in Python. 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Enthusiasm for technology & like learning technical.","url":"https:\/\/tutorial.eyehunts.com\/author\/rohit\/"}]}},"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":17570,"url":"https:\/\/tutorial.eyehunts.com\/python\/remove-multiple-characters-from-string-python-example-code\/","url_meta":{"origin":22736,"position":0},"title":"Remove multiple characters from string Python | Example code","author":"Rohit","date":"August 6, 2021","format":false,"excerpt":"You can use replace() method or re.sub() to remove multiple characters from the string in Python. Example How to Remove multiple characters from string Python Simple example code. 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