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This article mainly explains "python how to add elements to the head and tail of the list". The content in the article is simple and clear, easy to learn and understand. Please follow the editor's train of thought to study and learn "how to add elements to the head and tail of the list by python".

Add elements to the head and tail of the list add elements list.insert (index,new_element) to the header

@ index is the insertion position of the new element, and when index=0, the new element is added to the header.

@ new_element is the element to insert.

Example:

Names.insert (0) adds an element list.append (new_element) to the tail

Example:

Several methods of adding elements to list by names.append ('Bill')

Append (x) appends the element to the end of the list

Extend (list_) adds each element in the list list_ to another list separately

Insert (iPermine x) inserts element x into the list in position I, starting with 0

List3 = list1+list2 merges the elements in list1 and list2 into a new list

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