how to insert the list to another by index python code example

Example 1: python add item to list

# to add an item to a list
list.append(item)

# To extend an list with a new list
list1.extend(list2)

Example 2: add to a list python

#append to list
lst = [1, 2, 3]
li = 4
lst.append(li)
#lst is now [1, 2, 3, 4]

.append("the add"): append the object to the end of the list.
.insert("the add"): inserts the object before the given index.
.extend("the add"): extends the list by appending elements from the iterable.