Convert Tuple to List in Python

  1. Use the list() Function to Convert a Tuple to a List in Python
  2. Use the Unpack Operator * to Convert a Tuple to a List in Python
  3. Use the List Comprehension Method to Convert a Tuple to a List in Python
  4. Use the map() Function to Convert a Tuple to a List in Python
Convert Tuple to List in Python

A tuple is a built-in data type that is used to store multiple values in a single variable. It is written with round brackets and is ordered and unchangeable.

A list is a dynamically sized array that can be both homogeneous and heterogeneous. It is ordered, has a definite count, and is mutable, i.e., and we can alter it even after its creation.

We convert a tuple into a list using this method.

Use the list() Function to Convert a Tuple to a List in Python

The list() function is used to typecast a sequence to a list and initiate lists in Python.

We can use it to convert a tuple to a list.

For Example,

tup1=(111,'alpha','beta','gamma',222);
list1=list(tup1)
print("list elements are:",list1)

Output:

list elements are: [111,'alpha','beta','gamma',222]

Here, the entered tuple in tup1 has been converted into a list list1.

Use the Unpack Operator * to Convert a Tuple to a List in Python

The * operator to unpack elements from an iterable. It is present in Python 3.5 and above. We can use it to convert a tuple to a list in Python.

For example,

tup1=(111,'alpha','beta','gamma',222);
list1= [*tup1]
print("list elements are:",list1)

Output:

list elements are: [111,'alpha','beta','gamma',222]

Use the List Comprehension Method to Convert a Tuple to a List in Python

List comprehension is an elegant, concise way to create lists in Python with a single line of code. We can use this method to convert a tuple containing multiple tuples to a nested list.

See the following example.

tup1 = ((5,6,8,9),
          (9,5,4,2))

lst = [list(row) for row in tup1]

print(lst)

Output:

[[5, 6, 8, 9], [9, 5, 4, 2]]

Use the map() Function to Convert a Tuple to a List in Python

The map() function can apply a function to each item in an iterable. We can use it with the list() function to convert tuple containing tuples to a nested list.

For example,

tup1 = ((5,6,8,9),
          (9,5,4,2))

lst = list(map(list,tup1))

print(lst)

Output:

[[5, 6, 8, 9], [9, 5, 4, 2]]

Related Article - Python List

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