On 2015-5-15 21:07, Phoenix wrote:
What is wrong with this code?
'''
I am trying to see if I can create a list of tuples such that the first
coordinate of eachh tuple is itself a list of lists.
Then inside the loop I am trying to update a tuple such that I will add
a new list to its first coordinate and change its other coordinate.
'''

I think this is closer to what you want:

        c = []
        for (x,y) in b:
                x.append( [4,5,6] )
                c.append( (x,y+1) )
        b = c

Or:
        b = [ (x+[[4,5,6]],y+1) for (x,y) in b ]

--
*\\*  Anton Sherwood  *\\*  www.bendwavy.org

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