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Python – Adding Tuple to List and vice – versa

  • Last Updated : 08 Sep, 2021
Geek Week

Sometimes, while working with Python containers, we can have a problem in which we need to perform addition of one container with another. This kind of problem can have occurrence in many data domains across Computer Science and Programming. Let’s discuss certain ways in which this task can be performed.
Method 1 : Using += operator [list + tuple] 
This operator can be used to join a list with a tuple. Internally its working is similar to that of list.extend(), which can have any iterable as its argument, tuple in this case.
 

Python3




# Python3 code to demonstrate working of
# Adding Tuple to List and vice - versa
# Using += operator (list + tuple)
 
# initializing list
test_list = [5, 6, 7]
 
# printing original list
print("The original list is : " + str(test_list))
 
# initializing tuple
test_tup = (9, 10)
 
# Adding Tuple to List and vice - versa
# Using += operator (list + tuple)
test_list += test_tup
 
# printing result
print("The container after addition : " + str(test_list))
Output : 
The original list is : [5, 6, 7]
The container after addition : [5, 6, 7, 9, 10]

 

 
Method #2 : Using tuple(), data type conversion [tuple + list] 
The following technique is used to add list to a tuple. The tuple has to converted to list and list has to be added, at last resultant is converted to tuple.
 

Python3




# Python3 code to demonstrate working of
# Adding Tuple to List and vice - versa
# Using tuple(), data type conversion [tuple + list]
 
# initializing list
test_list = [5, 6, 7]
 
# printing original list
print("The original list is : " + str(test_list))
 
# initializing tuple
test_tup = (9, 10)
 
# Adding Tuple to List and vice - versa
# Using tuple(), data type conversion [tuple + list]
res = tuple(list(test_tup) + test_list)
 
# printing result
print("The container after addition : " + str(res))
Output : 
The original list is : [5, 6, 7]
The container after addition : (9, 10, 5, 6, 7)

 

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