Greetings

I have a complex data structure as given below 
@data_array_ref = [
    mykey1 => {firstkey => 'firstvalue', secondkey => 'secondval' }
    mykey2 => {ninza => 'turtle', 'Hurricane' => 'Dennis'}
    mykey3 => [ [one,two, three] 
    mykey4 => [ [4, 5, three] [6, 7, four] [8, 9, five] ]
]

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I've tried to get the output as given below from the above data structure but I'm not successful.
Can someone throw some light about the same. 

mykey1 => firstval, secondval
mykey2 => turtle, Dennis
mykey3 => one, two, three
mykey4 = 4, 5, three, 6, 7, four, 8, 9, five

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Thank you in advance

In reply to Parsing complex data by chanakya

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