List methods<\/strong> are built-in functions<\/strong> that help us work with lists easily<\/strong>.<\/p>\n They help us to:<\/p>\n Add items<\/p>\n<\/li>\n Remove items<\/p>\n<\/li>\n Find items<\/p>\n<\/li>\n Sort items<\/p>\n<\/li>\n<\/ul>\n Adds one item at the end<\/strong> of the list.<\/p>\n Adds an item at a specific index<\/strong>.<\/p>\n Adds all items from another list.<\/p>\n Removes the first matching value<\/strong>.<\/p>\n Removes item by index<\/strong>. Removes all items but keeps the list.<\/p>\n Returns the index of an item.<\/p>\n Counts how many times an item appears.<\/p>\n Sorts list in ascending order.<\/p>\n Reverses the order of the list.<\/p>\n Creates a copy of the list.<\/p>\n \u274c \u2714 Correct:<\/p>\n \u2714 Fix:<\/p>\n \u2714 List methods make work easy This chapter is ideal for:<\/p>\n Python beginner books<\/p>\n<\/li>\n School & college students<\/p>\n<\/li>\n Self-learners<\/p>\n<\/li>\n<\/ul>\n If you want next, I can write:<\/p>\n Tuple Basics<\/strong><\/p>\n<\/li>\n Set Basics<\/strong><\/p>\n<\/li>\n Dictionary Basics<\/strong><\/p>\n<\/li>\n List Exercises<\/strong><\/p>\n<\/li>\n<\/ul>\n Just tell me \ud83d\ude0a<\/p>\n","protected":false},"excerpt":{"rendered":" 1. What are List Methods? List methods are built-in functions that help us work with lists easily. They help us to: Add items Remove items Find items Sort items 2. append() \u2013 Add Item...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-2449","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/posts\/2449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/comments?post=2449"}],"version-history":[{"count":1,"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/posts\/2449\/revisions"}],"predecessor-version":[{"id":2450,"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/posts\/2449\/revisions\/2450"}],"wp:attachment":[{"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/media?parent=2449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/categories?post=2449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo.materiamedica.net\/demo6\/wp-json\/wp\/v2\/tags?post=2449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
2.
append()<\/code> \u2013 Add Item at the End<\/h2>\nExample<\/h3>\n
fruits = [\"apple\"<\/span>, \"banana\"<\/span>]
\nfruits.append(\"orange\"<\/span>)
\nprint<\/span>(fruits)
\n<\/code><\/div>\n<\/div>\n3.
insert()<\/code> \u2013 Add Item at Position<\/h2>\nExample<\/h3>\n
fruits.insert(1<\/span>, \"mango\"<\/span>)
\nprint<\/span>(fruits)
\n<\/code><\/div>\n<\/div>\n4.
extend()<\/code> \u2013 Add Many Items<\/h2>\nExample<\/h3>\n
more_fruits = [\"grape\"<\/span>, \"papaya\"<\/span>]
\nfruits.extend(more_fruits)
\nprint<\/span>(fruits)
\n<\/code><\/div>\n<\/div>\n5.
remove()<\/code> \u2013 Remove by Value<\/h2>\nExample<\/h3>\n
fruits.remove(\"banana\"<\/span>)
\nprint<\/span>(fruits)
\n<\/code><\/div>\n<\/div>\n6.
pop()<\/code> \u2013 Remove by Index<\/h2>\n
If index not given, removes last item<\/strong>.<\/p>\nExample<\/h3>\n
fruits.pop(1<\/span>)
\nprint<\/span>(fruits)
\n<\/code><\/div>\n<\/div>\n7.
clear()<\/code> \u2013 Remove All Items<\/h2>\nExample<\/h3>\n
fruits.clear()
\nprint<\/span>(fruits)
\n<\/code><\/div>\n<\/div>\n8.
index()<\/code> \u2013 Find Position of Item<\/h2>\nExample<\/h3>\n
numbers = [10<\/span>, 20<\/span>, 30<\/span>]
\nprint<\/span>(numbers.index(20<\/span>))
\n<\/code><\/div>\n<\/div>\n9.
count()<\/code> \u2013 Count Item<\/h2>\nExample<\/h3>\n
nums = [1<\/span>, 2<\/span>, 2<\/span>, 3<\/span>]
\nprint<\/span>(nums.count(2<\/span>))
\n<\/code><\/div>\n<\/div>\n10.
sort()<\/code> \u2013 Sort the List<\/h2>\nExample<\/h3>\n
nums = [3<\/span>, 1<\/span>, 4<\/span>, 2<\/span>]
\nnums.sort()
\nprint<\/span>(nums)
\n<\/code><\/div>\n<\/div>\n11.
reverse()<\/code> \u2013 Reverse List Order<\/h2>\nExample<\/h3>\n
nums.reverse()
\nprint<\/span>(nums)
\n<\/code><\/div>\n<\/div>\n12.
copy()<\/code> \u2013 Copy a List<\/h2>\nExample<\/h3>\n
new_nums = nums.copy()
\nprint<\/span>(new_nums)
\n<\/code><\/div>\n<\/div>\n13. Common Beginner Mistakes<\/h2>\n
\u274c Expecting Method to Return List<\/h3>\n
new_list = nums.sort()
\n<\/code><\/div>\n<\/div>\nsort()<\/code> returns None<\/code>.<\/p>\nnums.sort()
\n<\/code><\/div>\n<\/div>\n\u274c Removing Item Not in List<\/h3>\n
fruits.remove(\"kiwi\"<\/span>)
\n<\/code><\/div>\n<\/div>\nif<\/span> \"kiwi\"<\/span> in<\/span> fruits:
\n fruits.remove(\"kiwi\"<\/span>)
\n<\/code><\/div>\n<\/div>\n14. Simple Practice Examples<\/h2>\n
Example 1: Add and Remove<\/h3>\n
colors = [\"red\"<\/span>, \"blue\"<\/span>]
\ncolors.append(\"green\"<\/span>)
\ncolors.remove(\"blue\"<\/span>)
\nprint<\/span>(colors)
\n<\/code><\/div>\n<\/div>\nExample 2: Sort Names<\/h3>\n
names = [\"Ravi\"<\/span>, \"Amit\"<\/span>, \"Sita\"<\/span>]
\nnames.sort()
\nprint<\/span>(names)
\n<\/code><\/div>\n<\/div>\nExample 3: Count Items<\/h3>\n
marks = [80<\/span>, 90<\/span>, 80<\/span>, 70<\/span>]
\nprint<\/span>(marks.count(80<\/span>))
\n<\/code><\/div>\n<\/div>\n15. Summary (List Methods)<\/h2>\n
\u2714 Append, insert, extend add items
\u2714 Remove, pop, clear delete items
\u2714 Sort and reverse change order
\u2714 Copy keeps list safe<\/p>\n\ud83d\udcd8 Perfect for Beginner eBook<\/h3>\n
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