Write a routine that takes input as a string such as

           "aabbccdef" and o/p "a2b2c2def"
      or
           "a4bd2g4" for "aaaabddgggg"


if i want to make a general program for this......cani do by checking
the 2nd array item if it is a number then i will call a fxn
expand????else i will call fxn compress???


n special case is that    if i/p is abc    it should give a1b1bc1

n if i/p is a1b1c1 it should give abc


m i ryt about all i thnink for this question???

n if i.p is  abc it should show a1b1c1  i.e should it is
expanded????or should i call compress which will show abc o/p for abc
for i/p abc...???plz tell me..needed urgent ..thnx in
advance..somebody has link to this can post...thnx

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