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Python – Concatenate consecutive elements in Tuple

  • Last Updated : 29 Dec, 2019

Sometimes, while working with data, we can have a problem in which we need to find cumulative result. This can be of any type, product or summation. Here we are gonna discuss about adjacent element concatenation. Let’s discuss certain ways in which this task can be performed.

Method #1 : Using zip() + generator expression + tuple()
The combination of above functionalities can be used to perform this task. In this, we use generator expression to provide concatenation logic and simultaneous element pairing is done by zip(). The result is converted to tuple form using tuple().

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# Python3 code to demonstrate working of
# Consecutive element concatenation in Tuple
# using zip() + generator expression + tuple
  
# initialize tuple
test_tup = ("GFG ", "IS ", "BEST ", "FOR ", "ALL ", "GEEKS")
  
# printing original tuple
print("The original tuple : " + str(test_tup))
  
# Consecutive element concatenation in Tuple
# using zip() + generator expression + tuple
res = tuple(i + j for i, j in zip(test_tup, test_tup[1:]))
  
# printing result
print("Resultant tuple after consecutive concatenation : " + str(res))
Output :



The original tuple : ('GFG ', 'IS ', 'BEST ', 'FOR ', 'ALL ', 'GEEKS')
Resultant tuple after consecutive concatenation : ('GFG IS ', 'IS BEST ', 'BEST FOR ', 'FOR ALL ', 'ALL GEEKS')

 

Method #2 : Using tuple() + map() + lambda
The combination of above functions can also help to perform this task. In this, we perform concatenation and binding logic using lambda function. The map() is used to iterate to each element and at end result is converted by tuple().




# Python3 code to demonstrate working of
# Consecutive element concatenation in Tuple
# using tuple() + map() + lambda
  
# initialize tuple
test_tup = ("GFG ", "IS ", "BEST ", "FOR ", "ALL ", "GEEKS")
  
# printing original tuple
print("The original tuple : " + str(test_tup))
  
# Consecutive element concatenation in Tuple
# using tuple() + map() + lambda
res = tuple(map(lambda i, j : i + j, test_tup[: -1], test_tup[1: ]))
  
# printing result
print("Resultant tuple after consecutive concatenation : " + str(res))
Output :
The original tuple : ('GFG ', 'IS ', 'BEST ', 'FOR ', 'ALL ', 'GEEKS')
Resultant tuple after consecutive concatenation : ('GFG IS ', 'IS BEST ', 'BEST FOR ', 'FOR ALL ', 'ALL GEEKS')



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