The tuple() is function called built-in function in python that can be used to create a tuple().
A tuple is an immutable sequence type.
Syntax Of tuple():
tuple(iterable) Parameters Of tuple():
This function accept single parameter iterable(optional). It is iterable of list, range… etc. or an iterator object. So if an iterable is passed through function then the corresponding tuple is created. If Iterable is not passed, then an empty tuple() is created.
Returns: It doesn’t return anything but creates a tuple.
Error And Exception:
It generates a TypeError, if an iterable is not passed through function.
Below programs illustrate tuple() function in Python:
Program 1: Program demonstrating the use of tuple() function
# Python3 program demonstrating
# the use of tuple() function
# when parameter is not passed
tuple1 = tuple()
print(tuple1)
# when an iterable(e.g., list) is passed
list1= [ 1, 2, 3, 4 ]
tuple2 = tuple(list1)
print(tuple2)
# when an iterable(e.g., dictionary) is passed
dict = { 1 : 'one', 2 : 'two' }
tuple3 = tuple(dict)
print(tuple3)
# when an iterable(e.g., string) is passed
string = "geeksforgeeks"
tuple4 = tuple(string)
print(tuple4)Output:
()
(1, 2, 3, 4)
(1, 2)
('g', 'e', 'e', 'k', 's', 'f', 'o', 'r', 'g', 'e', 'e', 'k', 's')Program 2: Program demonstrating the TypeError
# Python3 program demonstrating # the TypeError in tuple() function # Error when a non-iterable is passed tuple1 = tuple(1) print(tuple1)
Output:
Traceback (most recent call last):
File "/home/eaf759787ade3942e8b9b436d6c60ab3.py", line 5, in
tuple1=tuple(1)
TypeError: 'int' object is not iterable
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