Adding Elements to list¶
We can perform below operations to add elements to the list in Python.* append – to add elements at the end of the list.
insert– to insert an element at the index specified. All the elements from that index will be moved to right side.extend– to extend the list by appending elements from other list.- We can also append the list using
+
In [1]:
l = [1, 2, 3, 4]
In [2]:
l.append?
Signature: l.append(object, /) Docstring: Append object to the end of the list. Type: builtin_function_or_method
In [3]:
l.append(5)
In [4]:
l
Out[4]:
[1, 2, 3, 4, 5]
In [5]:
l = l + [6]
In [6]:
l
Out[6]:
[1, 2, 3, 4, 5, 6]
In [7]:
l = l + [7, 8, 9, 10]
In [8]:
l
Out[8]:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
In [9]:
l.insert?
Signature: l.insert(index, object, /) Docstring: Insert object before index. Type: builtin_function_or_method
In [10]:
l.insert(3, 13)
In [11]:
l
Out[11]:
[1, 2, 3, 13, 4, 5, 6, 7, 8, 9, 10]
In [12]:
l.extend?
Signature: l.extend(iterable, /) Docstring: Extend list by appending elements from the iterable. Type: builtin_function_or_method
In [13]:
l.extend([11, 12])
In [14]:
l
Out[14]:
[1, 2, 3, 13, 4, 5, 6, 7, 8, 9, 10, 11, 12]