How to convert list of tuples to tuple of tuples in python [duplicate]

Question

I am trying to convert list of tuples to tuple of tuples , what I am doing is wrong, Please help to fix this issue

list1= [('2', '297'), ('6', '297')]

for x in list1:
    print("inside fn")
    print(x)
    tuple_of_tuples+=tuple(x)
    print(tuple_of_tuples)

output = ('2', '297', '6', '297') I want output as (('2', '297'), ('6', '297'))

your mistake: tuple_of_tuples+=(x,). But underperformant like hell. — Jean-François Fabre
– Jean-François Fabre ♦, Commented Mar 9, 2017 at 7:31
thanks for correcting my mistake. am even below underperformant! — Suba
– Suba, Commented Mar 9, 2017 at 8:28

Tim Pietzcker · Accepted Answer · 2017-03-09 07:31:04Z

5

In [1]: list1= [('2', '297'), ('6', '297')]

In [2]: tuple(list1)
Out[2]: (('2', '297'), ('6', '297'))

answered Mar 9, 2017 at 7:31

Tim Pietzcker

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4 Comments

Suba Over a year ago

tuple(list1) is not working for the below list, list1=[('2','297)] , tuple(list1) is giving the o/p as (('2', '297'),) , why it is coming like this? how to get the o/p as (('2','297)) ?

Suba Over a year ago

please help me on this

Tim Pietzcker Over a year ago

The comma is what makes the tuple, the parentheses are only needed for disambiguation. A single-element tuple is denoted by a comma. See docs.python.org/3/tutorial/…

Suba Over a year ago

Thanks for your help, am a beginner.

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